Mathematics for Class 10>Chapter 10 - Trigonometry>EXERCISE 10.3>Q 1

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Find the value of $\frac{cosec 35 °}{\sec 55 °}$

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Important Questions on Trigonometry

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Mathematics for Class 10>Chapter 10 - Trigonometry>EXERCISE 10.3>Q 1

Find the value of $\cos 37 ° - \sin 53 °$

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Mathematics for Class 10>Chapter 10 - Trigonometry>EXERCISE 10.3>Q 1

Find the value of $cosec 47 ° - \sec 43 °$

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Mathematics for Class 10>Chapter 10 - Trigonometry>EXERCISE 10.3>Q 2

Show that $\sec 53 ° \sin 53 ° \tan 37 ° = 1$

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Mathematics for Class 10>Chapter 10 - Trigonometry>EXERCISE 10.3>Q 2

Show that

\tan 48 ° \tan 23 ° \tan 42 ° \tan 67 ° = 1

.

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Mathematics for Class 10>Chapter 10 - Trigonometry>EXERCISE 10.3>Q 2

Show that,

\sin 40 ° \sec 40 ° \sec 50 ° = cosec 50 °

.

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Mathematics for Class 10>Chapter 10 - Trigonometry>EXERCISE 10.3>Q 2

Show that,

\cos 38 ° \cos 52 ° - \sin 38 ° \sin 52 ° = 0

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Mathematics for Class 10>Chapter 10 - Trigonometry>EXERCISE 10.3>Q 3

If

\tan A = c o t B

, show that

A + B = 90

.

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Mathematics for Class 10>Chapter 10 - Trigonometry>EXERCISE 10.3>Q 4

If

\sec 4 A = cosec (A - 20 °)

, where

4 A

is an acute angle, find the value of

A

.