EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 10 - Trigonometric Ratios and Identities>NDA & NA EE 2019 Paper 2 Mathematics>Q 18

EASY

NDA & NA EE

IMPORTANT

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If $2 \tan A = 3 \tan B = 1,$ then what is $\tan (A - B)$ equal to?

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Important Questions on Trigonometric Ratios and Identities

EASY

NDA & NA EE

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 10 - Trigonometric Ratios and Identities>NDA & NA EE 2019 Paper 2 Mathematics>Q 19

What is

\cos 80 ° + \cos 40 ° - \cos 20 °

equal to?

EASY

NDA & NA EE

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 10 - Trigonometric Ratios and Identities>NDA & NA EE 2019 Paper 2 Mathematics>Q 20

If angle $C$ of a triangle $A B C$ is a right angle, then what is $\tan A + \tan B$ equal to ?

EASY

NDA & NA EE

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 10 - Trigonometric Ratios and Identities>NDA & NA EE 2019 Paper 2 Mathematics>Q 21

What is

\cot (\frac{A}{2}) - \tan (\frac{A}{2})

equal to?

EASY

NDA & NA EE

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 10 - Trigonometric Ratios and Identities>NDA & NA EE 2019 Paper 2 Mathematics>Q 22

What is

\cot A + cosec A

equal to?

EASY

NDA & NA EE

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 10 - Trigonometric Ratios and Identities>NDA & NA EE 2019 Paper 2 Mathematics>Q 23

What is

\tan 25 ° \tan 15 ° + \tan 15 °

\tan 50 ° + \tan 25 ° \tan 50 °

equal to?

MEDIUM

NDA & NA EE

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 10 - Trigonometric Ratios and Identities>NDA & NA EE 2019 Paper 1 Mathematics>Q 24

What is the least value of

25 {cosec}^{2} x + 36 \sec^{2} x ?

EASY

NDA & NA EE

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 10 - Trigonometric Ratios and Identities>NDA & NA EE 2019 Paper 1 Mathematics>Q 25

What is the value of

\frac{\sin 34 ° \cos 236 ° - \sin 56 ° \sin 124 °}{\cos 28 ° \cos 88 ° + \cos 178 ° \sin 208 °} ?

EASY

NDA & NA EE

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 10 - Trigonometric Ratios and Identities>NDA & NA EE 2019 Paper 1 Mathematics>Q 26

\tan 54 °

can be expressed as