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Public Post All The Trigonometric formulas or Identities are the equations which are true in the case of Right-Angled Triangles. Some of the special trigonometric identities are as given below – 1. Pythagorean Identities sin ² θ + cos ² θ = 1 tan 2 θ +...

#### Trigonometry Formula

The Trigonometric formulas or Identities are the equations which are true in the case of Right-Angled Triangles. Some of the special trigonometric identities are as given below – 1. Pythagorean Identities sin ² θ + cos ² θ = 1 tan 2 θ +... A dime a dozen – Very common A piece of cake – Something easy Actions speak louder than words – What you do reveals the real you Add insult to injury – Make a bad situation even worse Back in saddle – Resume duty...

#### Idioms & Phrases Questions

A dime a dozen – Very common A piece of cake – Something easy Actions speak louder than words – What you do reveals the real you Add insult to injury – Make a bad situation even worse Back in saddle – Resume duty... Act of giving up the throne – Abdication Repetition of an initial sound in two or more words of a line – Alliteration A person who is neither well experienced nor professional – Amateur Using right and left hand equally well – Ambidextrous One...

#### One Word Substitution Questions

Act of giving up the throne – Abdication Repetition of an initial sound in two or more words of a line – Alliteration A person who is neither well experienced nor professional – Amateur Using right and left hand equally well – Ambidextrous One... The concept of Trigonometry is given by a Greek mathematician Hipparchus. Trigonometry is all about a right-angled triangle. It is one of those divisions in mathematics that helps in finding the angles and missing sides of a triangle by the help of trigonometric ratios....

#### Trigonometry Basics

The concept of Trigonometry is given by a Greek mathematician Hipparchus. Trigonometry is all about a right-angled triangle. It is one of those divisions in mathematics that helps in finding the angles and missing sides of a triangle by the help of trigonometric ratios.... Here we have shared some questions and answers of the Number System chapter. You can note down them in your notebook: Q1. In a two-digit number, the digit at the unit’s place is 1 less than twice the digit at the ten’s place. If...

#### Number System Question And Answers

Here we have shared some questions and answers of the Number System chapter. You can note down them in your notebook: Q1. In a two-digit number, the digit at the unit’s place is 1 less than twice the digit at the ten’s place. If... A number is divisible by 2 if its unit’s digit is any of 0, 2, 4, 6, 8. A number is divisible by 3 if the sum of its digits is divisible by 3. A number is divisible by 4 if the number formed...

#### Shortcuts for number divisibility check

A number is divisible by 2 if its unit’s digit is any of 0, 2, 4, 6, 8. A number is divisible by 3 if the sum of its digits is divisible by 3. A number is divisible by 4 if the number formed... Number 1 is neither divisible nor prime. Two consecutive odd prime numbers are called prime pair. All natural numbers are whole, rational, integer and real. All whole numbers are rational Integer and real. All whole numbers are rational and real. All rational numbers includes...

#### Number System Short Notes

Number 1 is neither divisible nor prime. Two consecutive odd prime numbers are called prime pair. All natural numbers are whole, rational, integer and real. All whole numbers are rational Integer and real. All whole numbers are rational and real. All rational numbers includes... Number: Arithmetical value representing a particular quantity. The various types of numbers are Natural Numbers, Whole Numbers, Integers, Rational Numbers, Irrational Numbers, Real Numbers etc. Natural Numbers Natural numbers(N) are positive numbers i.e. 1, 2, 3 ..and so on. Whole Numbers Whole numbers (W)...

#### Number Systems

Number: Arithmetical value representing a particular quantity. The various types of numbers are Natural Numbers, Whole Numbers, Integers, Rational Numbers, Irrational Numbers, Real Numbers etc. Natural Numbers Natural numbers(N) are positive numbers i.e. 1, 2, 3 ..and so on. Whole Numbers Whole numbers (W)... Least Common Multiple (LCM) In arithmetic, the least common multiple or LCM of two numbers say a and b, is denoted as LCM (a,b). And the LCM is the smallest or least positive integer that is divisible by both a and b. Multiple: Multiple...

#### LCM And HCF

Least Common Multiple (LCM) In arithmetic, the least common multiple or LCM of two numbers say a and b, is denoted as LCM (a,b). And the LCM is the smallest or least positive integer that is divisible by both a and b. Multiple: Multiple...

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