Math Blog
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Newly added pages can be seen from this page. Keep visiting to this page so that you will remain updated.en-usMathTue, 22 Apr 2014 17:29:17 -0400Tue, 22 Apr 2014 17:29:17 -0400math-only-math.comApr 22, Proof of Compound Angle Formula cos^2 α - sin^2 β | Solved Examples
http://www.math-only-math.com/proof-of-compound-angle-formula-cos-square-alpha-minus-sin-square-beta.html39092376d9b6e3bbefe8b232dfe45315We will learn step-by-step the proof of compound angle formula cos^2 α - sin^2 β. We need to take the help of the formula of cos (α + β) and cos (α - β) to proof the formula of Tue, 22 Apr 2014 17:29:15 -0400Apr 22, Proof of Compound Angle Formula sin^2 α - sin^2 β | Solved Examples
http://www.math-only-math.com/proof-of-compound-angle-formula-sin-square-alpha-minus-sin-square-beta.html8f8b291f352daab7a1e518d8a90b0e25We will learn step-by-step the proof of compound angle formula sin^2 α - sin^2 β. We need to take the help of the formula of sin (α + β) and sin (α - β) to proof the formula ofTue, 22 Apr 2014 17:21:21 -0400Apr 22, Proof of Compound Angle Formula cos (α - β) | Trigonometric Identities
http://www.math-only-math.com/proof-of-compound-angle-formula-cos-alpha-minus-beta.html5a1f49df525e8a70672dd998d3557cc9We will learn step-by-step the proof of compound angle formula cos (α - β). Here we will derive formula for trigonometric function of the difference of two real numbers or anglesTue, 22 Apr 2014 16:54:24 -0400Apr 22, Proof of Compound Angle Formula sin (α - β) | Subtraction Formulae
http://www.math-only-math.com/proof-of-compound-angle-formula-sin-alpha-minus-beta.html8294065e46448c06586409768bbb3431We will learn step-by-step the proof of compound angle formula sin (α - β). Here we will derive formula for trigonometric function of the difference of two real numbers or angles and theirTue, 22 Apr 2014 16:48:16 -0400Apr 22, Proof of Compound Angle Formula cos (α + β) | Addition Formulae
http://www.math-only-math.com/proof-of-compound-angle-formula-cos-alpha-plus-beta.html5da418744ae0ec27e73aa922573ca020We will learn step-by-step the proof of compound angle formula cos (α + β). Here we will derive formula for trigonometric function of the sum of two real numbers or angles and their related result. Tue, 22 Apr 2014 16:39:57 -0400Apr 22, Proof of Compound Angle Formula sin (α + β) | Trigonometric Identities
http://www.math-only-math.com/proof-of-compound-angle-formula-sin-alpha-plus-beta.html30efe86de36617b35fc369a25655ca8fWe will learn step-by-step the proof of compound angle formula sin (α + β). Here we will derive formula for trigonometric function of the sum of two real numbers or angles and their related result.Tue, 22 Apr 2014 16:32:03 -0400Apr 22, Trigonometrical Ratios of (90° + θ) | Relation Between All Six Trig Ratios
http://www.math-only-math.com/trigonometrical-ratios-of-90-degree-plus-theta.htmla9b937fc6cfa58799109055f9244be36What is the relation among all the trigonometrical ratios of (90° + Ѳ)? In trigonometrical ratios of angles (90° + θ) we will find the relation between all six trigonometrical ratios.Tue, 22 Apr 2014 04:38:09 -0400Apr 22, Trigonometrical Ratios of (- θ) |Relation Between All Six Trigonometrical Ratios
http://www.math-only-math.com/trigonometrical-ratios-of-minus-theta.html29ee9231f69a456f398009809fa06629What is the relation among all the trigonometrical ratios of – θ? In trigonometrical ratios of angles (-Ѳ) we will find the relation between all six trigonometrical ratios.Tue, 22 Apr 2014 04:10:07 -0400Apr 21, Compound Angle | Develop the Formulae | Study their Application
http://www.math-only-math.com/compound-angle.html5cf4a2df37ee9299596d97fd260199c5What is compound angle? The algebraic sum (+) or difference (-) of two or more angles is called a compound Angle. For example, if α, β, γ are three given angles then each of the anglesMon, 21 Apr 2014 16:27:04 -0400Apr 20, Problems on Signs of Trigonometrical Ratios | Trigonometric Ratios of an Angle
http://www.math-only-math.com/problems-on-signs-of-trigonometrical-ratios.htmla79dae1206e66bdad84712b9cbae7c61We will learn how to solve various type of problems on signs of trigonometrical ratios of any angles.Sun, 20 Apr 2014 02:03:52 -0400Apr 19, Trigonometric Functions of any Angles | Trigonometric Ratios
http://www.math-only-math.com/trigonometric-functions-of-any-angles.html8aede6add435539ee3f82857a1bac3deWe will learn how to solve various type of problems on trigonometric functions of any angles.Sat, 19 Apr 2014 01:36:33 -0400Apr 18, Problems on Trigonometric Ratios of an Angle | Co-terminal Angle
http://www.math-only-math.com/problems-on-trigonometric-ratios-of-an-angle.html58feaca68a039b594221c019a2a9dfe6We will learn how to solve different types of problems on trigonometric ratios of an angle. 1. Which of the six trigonometric function are positive for x = -10π/3?Fri, 18 Apr 2014 16:43:25 -0400Apr 16, Trigonometric Ratios of an Angle | Values of Trigonometric Functions
http://www.math-only-math.com/trigonometric-ratios-of-an-angle.html40f1f358c10bae6949d48843d1a1450bWe will learn how to find the values of trigonometric ratios of an angle. The questions are related to find the values of trigonometric functions of a real number x (i.e., sin x, cos x, tan x, etc.)Wed, 16 Apr 2014 17:16:50 -0400Apr 13, Trigonometrical Ratios of (90° - θ) | Relation Between All Six Trig Ratios
http://www.math-only-math.com/trigonometrical-ratios-of-90-degree-minus-theta.htmldf1f8f9311d9e9a4624cf73762dc93caWhat is the relation among all the trigonometrical ratios of (90° - θ)? In trigonometrical ratios of angles (90° - θ) we will find the relation between all six trigonometrical ratios.Sun, 13 Apr 2014 11:14:00 -0400Apr 12, Trigonometrical Ratios of some Particular Angles | 120°, -135°, 150° and 180°
http://www.math-only-math.com/trigonometrical-ratios-of-some-particular-angles.html4b808d154408a1d403ca2b6a90ef3537Trigonometrical ratios of some particular angles i.e., 120°, -135°, 150° and 180° are given below. 1. sin 120° = sin (1 × 90° + 30°) = cos 30° = √3/2;Sat, 12 Apr 2014 09:48:04 -0400Apr 12, Trigonometrical Ratios of any Angle | “All, sin, tan, cos” Rule | Examples
http://www.math-only-math.com/trigonometrical-ratios-of-any-angle.html0341a624e5a4c7f5c97f6532af5587ecWe will learn how to find the trigonometrical ratios of any angle using the following step-by-step procedure. Step I: To find the trigonometrical ratios of angles (n ∙ 90° ± θ); where n is an integerSat, 12 Apr 2014 02:28:33 -0400Apr 11, Trigonometrical Ratios of (360° - θ) | Relation Between All Six Trig Ratios
http://www.math-only-math.com/trigonometrical-ratios-of-360-degree-minus-theta.html9eee5635054469cc3c0a2f1eb2716d2dWe will find the results of trigonometrical Ratios of (360° - θ) and (n ∙ 360° - θ). If n is a negative integer then the trigonometrical ratios of (n ∙ 360° - θ) are equal to the trigonometricalFri, 11 Apr 2014 15:35:46 -0400Apr 11, Trigonometrical Ratios of (360° + θ) | Relation Between All Six Trig Ratios
http://www.math-only-math.com/trigonometrical-ratios-of-360-degree-plus-theta.htmlbd3d3dec4c0fa367f7bfab68e4c1c99eWe will find the results of trigonometrical ratios of (360° + θ) and (n ∙ 360° + θ). If n is a positive integer then the trigonometrical ratios of (n ∙ 360° + θ) are equal to the trigonometricalFri, 11 Apr 2014 15:03:46 -0400Mar 30, Trigonometrical Ratios of (270° - θ) | Relation Between All Six Trig Ratios
http://www.math-only-math.com/trigonometrical-ratios-of-270-degree-minuss-theta.html0f6f55711bf6bf56c5249ad5498c0955What are the relations among all the trigonometrical ratios of (270° - θ)? In trigonometrical ratios of angles (270° - θ) we will find the relation between all six trigonometrical ratios.Sun, 30 Mar 2014 10:11:05 -0400Mar 30, Trigonometrical Ratios of (270° + θ) | Relation Between All Six Trig Ratios
http://www.math-only-math.com/trigonometrical-ratios-of-270-degree-plus-theta.html43152d3ffd8917043c0278352f3cf2adWhat are the relations among all the trigonometrical ratios of (270° + θ)? In trigonometrical ratios of angles (270° + θ) we will find the relation between all six trigonometrical ratios.Sun, 30 Mar 2014 10:03:41 -0400Mar 30, Trigonometrical Ratios of (180° - θ) | Relation Between All Six Trig Ratios
http://www.math-only-math.com/trigonometrical-ratios-of-180-degree-minus-theta.html7ebf5fe8ddfe33d1aeb67fb8c1f9514fWhat are the relations among all the trigonometrical ratios of (180° - θ)? In trigonometrical ratios of angles (180° - θ) we will find the relation between all six trigonometrical ratios.Sun, 30 Mar 2014 03:05:00 -0400Mar 30, Trigonometrical Ratios of (180° + θ) | Relation Between All Six Trig Ratios
http://www.math-only-math.com/trigonometrical-ratios-of-180-degree-plus-theta.html071a5bb8eb0edcabe86cbd5ae3a0ec0bWhat are the relations among all the trigonometrical ratios of (180° + θ)? In trigonometrical ratios of angles (180° + θ) we will find the relation between all six trigonometrical ratios.Sun, 30 Mar 2014 02:53:26 -0400Mar 27, Worksheet on Sum, Difference, Product, Quotient | Minuend and Subtrahend
http://www.math-only-math.com/worksheet-on-sum-difference-product-quotient.htmlf797b05b37be1373b2f6ccb1aabd3e98Practice the questions given in the worksheet on sum, difference, product, quotient. The questions are based on addendum, minuend and subtrahend, multiplicand and multiplier, dividend and divisor.Thu, 27 Mar 2014 17:05:30 -0400Mar 27, Worksheet on Word Problems on Four Operations | Questions on Four Operations
http://www.math-only-math.com/worksheet-on-word-problems-on-four-operations.htmlb6a88920fb71901bc183790d02666b37Practice the questions given in the worksheet on word problems on four operations i.e. addition (+), subtraction (-), multiplication (×) and division (÷).Thu, 27 Mar 2014 15:59:30 -0400Mar 25, Worksheet on Division Problems by 2-digit Divisors | Word Problems on Division
http://www.math-only-math.com/worksheet-on-division-problems-by-2-digit-divisors.html90d433f905669b9366eac12dc4453a7fPractice the questions given in the worksheet on division problems by 2-digit divisors. Solve the following: 1. The cost of 15 books of the same price is $1635. Find the cost of one book.Tue, 25 Mar 2014 08:51:51 -0400Mar 25, Worksheet on Divide by 10, 100 and 1000 Divisors | find the quotient & remainder
http://www.math-only-math.com/worksheet-on-divide-by-10-100-and-1000-divisors.htmlb831ed10d3ed9f7aaaa533f53d1ca52dPractice the questions given in the worksheet on divide by 10, 100 and 1000 divisors to find the quotient and remainder if any. Find the quotient and remainder (if any):Tue, 25 Mar 2014 04:26:12 -0400Mar 25, Divide by 10, 100 and 1000 Divisors | Find the Quotient and Remainder
http://www.math-only-math.com/divide-by-10-100-and-1000-divisors.html3f7d8a67998cde727d63f41382be20d4We will learn how to divide by 10, 100 and 1000 divisors to find the quotient and remainder. Let us consider some examples: So, 3458 ÷ 10 = 345 with remainder 8Tue, 25 Mar 2014 03:16:12 -0400Mar 23, Divide by 2-digit Divisors | Examples of Division by Two-digit Numbers
http://www.math-only-math.com/divide-by-2-digit-divisors.htmlc5f2c2be8c94dd8d3b61a10407ae0f91We will learn step-by-step how to divide by 2-digit divisors. Let us consider some examples of division by two-digit numbers or divisors. 1. Divide 618 by 12. Quotient = 51 Remainder = 6Sun, 23 Mar 2014 05:34:13 -0400Mar 23, Dividend, Divisor, Quotient and Remainder |Properties of Division |Some Examples
http://www.math-only-math.com/dividend-divisor-quotient-and-remainder.htmldf9a4a2fadb98d543de9e96bd30612c0In division we will see the relationship between the dividend, divisor, quotient and remainder. The number which we divide is called the dividend. The number by which we divide is called the divisor.Sun, 23 Mar 2014 05:12:20 -0400Mar 22, Worksheet on Divide by 2-digit Divisors | Find the Quotient and Remainder
http://www.math-only-math.com/worksheet-on-divide-by-2-digit-divisors.htmld50b8cebc8d363969d21b4574a5d614dPractice the questions given in the worksheet on divide by 2-digit divisors. We know after dividing the dividend by the divisors the result obtained is called the quotient and the number left over isSat, 22 Mar 2014 16:23:27 -0400Mar 19, Conversion of Roman Numeration | Roman Numerals | Hindi Arabic Numerals
http://www.math-only-math.com/conversion-of-roman-numeration.html115eed6952bb4d513a089c8dafaffc6cWe will learn the conversion of Roman numeration. First we will learn how to convert numbers in roman numerals. 1. Convert 579 in roman numerals.Wed, 19 Mar 2014 02:32:37 -0400Mar 16, Worksheet on Roman Numeration | Roman Numeration and their Rules
http://www.math-only-math.com/worksheet-on-roman-numeration.html529d892ad57cfbc296026f3e947cfd3cPractice the questions given in the worksheet on Roman Numeration. The questions are based on roman numeration and their rules. 1. Represent the following numbers in Roman Numerals:Sun, 16 Mar 2014 16:31:10 -0400Mar 16, 5th Grade Math Problems | 5th Grade Math | Fifth Grade Math Problems
http://www.math-only-math.com/5th-grade-math-problems.html33293edb92a2a2d82c9708067f635d9eIn 5th grade math problems you will get all types of examples on different topics along with the solutions. Keeping in mind the mental level of child in Grade 5, every efforts has been madeSun, 16 Mar 2014 02:43:14 -0400Mar 15, Rules of Roman Numeration | Roman Number System | Roman Numeration System
http://www.math-only-math.com/roman-numeration.html561f72e21eb01ae13bd4eb71f239576eWe will learn about Roman Numeration and its rules. We know that there are seven basic Roman Numerals. They are I, V, X, L, C, D and M. These numerals stand for the number 1, 5, 10, 50, 100, 500Sat, 15 Mar 2014 11:34:53 -0400Feb 28, Worksheet on Dividend, Divisor, Quotient and Remainder | Find the Quotient
http://www.math-only-math.com/worksheet-on-dividend-divisor-quotient-and-remainder.html401916c55ff33279e0dff398465aee2dPractice the questions given in the worksheet on dividend, divisor, quotient and remainder. We know the number which we divide is called the dividend and the number by which we divide is called theFri, 28 Feb 2014 15:31:32 -0500Feb 25, Worksheet on Multiplicand and Multiplier | Questions on Multiplication | Answers
http://www.math-only-math.com/worksheet-on-multiplicand-and-multiplier.htmlcef693e3c24df994c66d23aa539043a9Practice the questions given in the worksheet on multiplicand and multiplier. We know the number to be multiplied is called the multiplicand and the number with which we multiply is calledTue, 25 Feb 2014 15:39:50 -0500Feb 24, Multiplier by 10, 100, 1000, 10000 |Multiplication by Multiples of 10, 100, 1000
http://www.math-only-math.com/multiplier-by-10-100-1000-10000.html28287ed9ef0cbeba62770e979a472aabWe will learn about the multiplier by 10, 100, 1000, 10000. We add a zero to the extreme right of the multiplicand while by 10. For example: (i) 26 × 10 = 260 (ii) 524 × 10 = 5240Mon, 24 Feb 2014 15:44:52 -0500Feb 24, Multiplicand and Multiplier |Properties of Multiplication |Associative Property
http://www.math-only-math.com/multiplicand-and-multiplier.htmlda870ea36641e4396744b2a5cb3241eaWe will learn about the multiplicand and multiplier. The number to be multiplied is called the multiplicand. The number with which we multiply is called the multiplier.Mon, 24 Feb 2014 02:20:30 -0500Feb 21, Worksheet on Minuend and Subtrahend | Arrange in Columns and Subtract
http://www.math-only-math.com/worksheet-on-minuend-and-subtrahend.html0ca82366ec3811181c79a034a69e7c75Practice the questions given in the worksheet on minuend and subtrahend. We know the larger number from which smaller number is subtracted is called the minuend and the smaller number whichFri, 21 Feb 2014 15:55:44 -0500Feb 20, Worksheet on Word Problems on Minuend and Subtrahend | Minuend and Subtrahend
http://www.math-only-math.com/worksheet-on-word-problems-on-minuend-and-subtrahend.html71894b01fbf7153f371f89bb3b311497 Practice the questions given in the worksheet on word problems on minuend and subtrahend. I. Find the difference: (i) 693843 – 392622 (ii) 898743 -465423 Thu, 20 Feb 2014 15:50:49 -0500Feb 19, Minuend and Subtrahend | Word Problems on Minuend & Subtrahend
http://www.math-only-math.com/minuend-and-subtrahend.htmlb22237feb619d5b21bedc7d7736397e0We will learn about the meaning of minuend and subtrahend. The larger number from which smaller number is subtracted is called the minuend. The smaller number which is subtracted is called subtrahend.Wed, 19 Feb 2014 15:08:10 -0500Feb 18, Addendum | Properties of Addition | Order Property of Addition | Word Problems
http://www.math-only-math.com/addendum.htmlaf9035067c45e292ab8df3cb47a1f429Each of the number that we add is called an addendum. The resulting number is called the sum. 2 or more than 2 numbers to be added are called addenda (plural form of addendum). Here 2438 and 2949 areTue, 18 Feb 2014 15:53:44 -0500Feb 17, Worksheet on Word Problems on Addendum | Word Problems on Addendum
http://www.math-only-math.com/worksheet-on-word-problems-on-addendum.html3e2a9d34288c67b652033168d28fbae5Practice the questions given in the worksheet on word problems on addendum. I. Find the sum: (i) 243415 + 124359 (ii) 543821 + 271065 Mon, 17 Feb 2014 15:17:42 -0500Feb 17, Worksheet on Addendum | Addition or Addendum | Questions on Addition
http://www.math-only-math.com/worksheet-on-addendum.htmldadf0ded702e83e9f5a2799f0aa3e20ePractice the questions given in the worksheet on addendum or addition. We know each numbers that we add is called an addendum. I. Find the sum of the following addenda:Mon, 17 Feb 2014 14:33:17 -0500Feb 13, Worksheet on Roman Symbols | Rules to write Roman Numbers | Hindu-Arabic
http://www.math-only-math.com/worksheet-on-roman-symbols.html982c510eb531185b0e140731a5883ae6Practice the questions given in the worksheet on Roman symbols. The questions are based on Roman symbols and rules to write Roman numbers.Thu, 13 Feb 2014 16:11:41 -0500Feb 13, Roman Symbols | What are Roman Numbers? | Roman Numeration System
http://www.math-only-math.com/roman-symbols.htmld40c1aea52b2c0541814ca77ac7babe6Do we know from where Roman symbols came? In Rome, people wanted to use their own symbols to express various numbers. These symbols, used by Romans, are known as Roman symbols, Romans used only sevenThu, 13 Feb 2014 15:54:54 -0500Feb 12, Worksheet on Word Problems on Expressing Numbers | Numbering Systems
http://www.math-only-math.com/worksheet-on-word-problems-on-expressing-numbers.html2ffa67a76b8592158f03bec73d9e45e2Practice the questions given in the worksheet on word problems on expressing numbers. The word problems are based on expressing Indian and International numbering systems.Wed, 12 Feb 2014 15:20:01 -0500Feb 11, Worksheet on Numbering Systems | Indian & International Numbering System
http://www.math-only-math.com/worksheet-on-numbering-systems.htmlb9d9f2463350c328643e4d9432d3ed00Practice the questions given in the worksheet on numbering systems. The questions are based on two types of numbering systems i.e. Indian numbering system and International numbering system.Tue, 11 Feb 2014 16:09:30 -0500Feb 9, Skip Counting Numbers | Method of Skip Counting | Skip Counting
http://www.math-only-math.com/skip-counting-numbers.html0651ca61603e1786bc5a13a8928bc632We know skip counting numbers with smaller numbers. Now, we will learn skip counting with larger numbers. Write the number as per following instruction: 1. Write six numbers more after 2,00,000Sun, 9 Feb 2014 15:55:01 -0500Feb 9, Expressing Place Value and Face Value | International and Indian System
http://www.math-only-math.com/expressing-place-value-and-face-value.htmldb542ca6a11ee4a416788a450f19ded5We will learn expressing place value and face value of a digit in any number in International and Indian system. Place value: We know how to find out the place value of a digit in any number.Sun, 9 Feb 2014 15:14:28 -0500Feb 8, Expressing Numbers in the Expanded Form | Indian and in International System
http://www.math-only-math.com/expressing-numbers-in-the-expanded-form.htmlcb3d00f1fd7c95078e00f65985f7df9fWe will learn expressing numbers in the expanded form in Indian system and in International system. We know how to express a number in the expanded form, for example, 23451 can be written in theSat, 8 Feb 2014 15:30:58 -0500Feb 7, Worksheet on Indian Numbering System | Write Large Numbers in Indian System
http://www.math-only-math.com/worksheet-on-indian-numbering-system.htmla1504fe763870f6b12c511438dd677e8Practice the questions given in the worksheet on Indian numbering system. We know in the Indian system we use different periods like ones, thousands, lakhs, crores, etc. Fri, 7 Feb 2014 15:52:56 -0500Feb 7, Worksheet on International Numbering System | Numbers in International System
http://www.math-only-math.com/worksheet-on-international-numbering-system.html5fbbf8b833bc610f6225433253514e55Practice the questions given in the worksheet on International numbering system. We know in the International system we use different periods like ones, thousands and millions etc. Fri, 7 Feb 2014 15:17:49 -0500Feb 7, Expressing Numbers on the Number Line |Numbers in Indian & International System
http://www.math-only-math.com/expressing-numbers-on-the-number-line.html6dae02cb27916f56996d2be04973a336We will learn expressing numbers on the number line in Indian system and international system. We know how to express different numbers on the number line. Now we will learn how to expressFri, 7 Feb 2014 14:27:05 -0500Feb 5, International Numbering System | Ones Period | Thousands Period |Millions Period
http://www.math-only-math.com/international-numbering-system.html5a6448a5b831ac45396e2fd24f0f2c16In International numbering system also, we form different periods to read the large numbers easily. Here we use periods like ones, thousand and millions etc. Suppose, let us understand theWed, 5 Feb 2014 17:05:41 -0500Feb 5, Indian Numbering System | Ones Period | Thousands Period | Lakhs Period
http://www.math-only-math.com/indian-numbering-system.html2489275cb540d16944366f4ca1b23c74In the Indian numbering system, we use different periods like ones, thousands, lakhs, crores, etc. Suppose, let us understand the Indian system by using number 1: ones (1), tens (10), hundreds (100)Wed, 5 Feb 2014 16:45:37 -0500Feb 4, Worksheet on Numbers | Math Worksheet on Numbers for Fourth Grade
http://www.math-only-math.com/worksheet-on-numbers-a.html1f0de465f5f7588a07619888a71fb05cPractice the questions given in the worksheet on numbers. The questions are based on finding the smallest number and the biggest number.Tue, 4 Feb 2014 16:00:56 -0500