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Apr 22, 2014

Proof of Compound Angle Formula cos^2 α - sin^2 β | Solved Examples

We 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

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Apr 22, 2014

Proof of Compound Angle Formula sin^2 α - sin^2 β | Solved Examples

We 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 of

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Apr 22, 2014

Proof of Compound Angle Formula cos (α - β) | Trigonometric Identities

We 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 angles

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Apr 22, 2014

Proof of Compound Angle Formula sin (α - β) | Subtraction Formulae

We 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 their

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Apr 22, 2014

Proof of Compound Angle Formula cos (α + β) | Addition Formulae

We 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.

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Apr 22, 2014

Proof of Compound Angle Formula sin (α + β) | Trigonometric Identities

We 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.

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Apr 22, 2014

Trigonometrical Ratios of (90° + θ) | Relation Between All Six Trig Ratios

What 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.

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Apr 22, 2014

Trigonometrical Ratios of (- θ) |Relation Between All Six Trigonometrical Ratios

What 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.

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Apr 21, 2014

Compound Angle | Develop the Formulae | Study their Application

What 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 angles

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Apr 20, 2014

Problems on Signs of Trigonometrical Ratios | Trigonometric Ratios of an Angle

We will learn how to solve various type of problems on signs of trigonometrical ratios of any angles.

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Apr 19, 2014

Trigonometric Functions of any Angles | Trigonometric Ratios

We will learn how to solve various type of problems on trigonometric functions of any angles.

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Apr 18, 2014

Problems on Trigonometric Ratios of an Angle | Co-terminal Angle

We 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?

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Apr 16, 2014

Trigonometric Ratios of an Angle | Values of Trigonometric Functions

We 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.)

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Apr 13, 2014

Trigonometrical Ratios of (90° - θ) | Relation Between All Six Trig Ratios

What 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.

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Apr 12, 2014

Trigonometrical Ratios of some Particular Angles | 120°, -135°, 150° and 180°

Trigonometrical 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;

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Apr 12, 2014

Trigonometrical Ratios of any Angle | “All, sin, tan, cos” Rule | Examples

We 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 integer

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Apr 11, 2014

Trigonometrical Ratios of (360° - θ) | Relation Between All Six Trig Ratios

We 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 trigonometrical

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Apr 11, 2014

Trigonometrical Ratios of (360° + θ) | Relation Between All Six Trig Ratios

We 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 trigonometrical

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Mar 30, 2014

Trigonometrical Ratios of (270° - θ) | Relation Between All Six Trig Ratios

What 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.

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Mar 30, 2014

Trigonometrical Ratios of (270° + θ) | Relation Between All Six Trig Ratios

What 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.

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Mar 30, 2014

Trigonometrical Ratios of (180° - θ) | Relation Between All Six Trig Ratios

What 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.

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Mar 30, 2014

Trigonometrical Ratios of (180° + θ) | Relation Between All Six Trig Ratios

What 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.

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Mar 27, 2014

Worksheet on Sum, Difference, Product, Quotient | Minuend and Subtrahend

Practice 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.

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Mar 27, 2014

Worksheet on Word Problems on Four Operations | Questions on Four Operations

Practice the questions given in the worksheet on word problems on four operations i.e. addition (+), subtraction (-), multiplication (×) and division (÷).

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Mar 25, 2014

Worksheet on Division Problems by 2-digit Divisors | Word Problems on Division

Practice 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.

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Mar 25, 2014

Worksheet on Divide by 10, 100 and 1000 Divisors | find the quotient & remainder

Practice 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):

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Mar 25, 2014

Divide by 10, 100 and 1000 Divisors | Find the Quotient and Remainder

We 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 8

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Mar 23, 2014

Divide by 2-digit Divisors | Examples of Division by Two-digit Numbers

We 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 = 6

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Mar 23, 2014

Dividend, Divisor, Quotient and Remainder |Properties of Division |Some Examples

In 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.

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Mar 22, 2014

Worksheet on Divide by 2-digit Divisors | Find the Quotient and Remainder

Practice 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 is

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Mar 19, 2014

Conversion of Roman Numeration | Roman Numerals | Hindi Arabic Numerals

We will learn the conversion of Roman numeration. First we will learn how to convert numbers in roman numerals. 1. Convert 579 in roman numerals.

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Mar 16, 2014

Worksheet on Roman Numeration | Roman Numeration and their Rules

Practice 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:

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Mar 16, 2014

5th Grade Math Problems | 5th Grade Math | Fifth Grade Math Problems

In 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 made

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Mar 15, 2014

Rules of Roman Numeration | Roman Number System | Roman Numeration System

We 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, 500

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Feb 28, 2014

Worksheet on Dividend, Divisor, Quotient and Remainder | Find the Quotient

Practice 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 the

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Feb 25, 2014

Worksheet on Multiplicand and Multiplier | Questions on Multiplication | Answers

Practice 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 called

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Feb 24, 2014

Multiplier by 10, 100, 1000, 10000 |Multiplication by Multiples of 10, 100, 1000

We 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 = 5240

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Feb 24, 2014

Multiplicand and Multiplier |Properties of Multiplication |Associative Property

We 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.

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Feb 21, 2014

Worksheet on Minuend and Subtrahend | Arrange in Columns and Subtract

Practice 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 which

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Feb 20, 2014

Worksheet on Word Problems on Minuend and Subtrahend | Minuend and Subtrahend

Practice the questions given in the worksheet on word problems on minuend and subtrahend. I. Find the difference: (i) 693843 – 392622 (ii) 898743 -465423

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Feb 19, 2014

Minuend and Subtrahend | Word Problems on Minuend & Subtrahend

We 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.

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Feb 18, 2014

Addendum | Properties of Addition | Order Property of Addition | Word Problems

Each 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 are

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Feb 17, 2014

Worksheet on Word Problems on Addendum | Word Problems on Addendum

Practice the questions given in the worksheet on word problems on addendum. I. Find the sum: (i) 243415 + 124359 (ii) 543821 + 271065

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Feb 17, 2014

Worksheet on Addendum | Addition or Addendum | Questions on Addition

Practice 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:

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Feb 13, 2014

Worksheet on Roman Symbols | Rules to write Roman Numbers | Hindu-Arabic

Practice the questions given in the worksheet on Roman symbols. The questions are based on Roman symbols and rules to write Roman numbers.

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Feb 13, 2014

Roman Symbols | What are Roman Numbers? | Roman Numeration System

Do 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 seven

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Feb 12, 2014

Worksheet on Word Problems on Expressing Numbers | Numbering Systems

Practice the questions given in the worksheet on word problems on expressing numbers. The word problems are based on expressing Indian and International numbering systems.

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Feb 11, 2014

Worksheet on Numbering Systems | Indian & International Numbering System

Practice 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.

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Feb 09, 2014

Skip Counting Numbers | Method of Skip Counting | Skip Counting

We 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 2,00,000

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