Practice Test · Class 10

Introduction to Trigonometry

10 questions randomised from the chapter. Type each final answer and submit to see your score.

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0/10 attempted

Value of

\tan^2 60 + 4\cos^2 45 + 3\sec^2 30 + 5\cos^2 90

\cos\theta = 1/2

: find

\theta

\sin\theta + \cos\theta = \sqrt 2

, prove

\tan\theta + \cot\theta = 2

Prove

\dfrac{\tan\theta}{1-\cot\theta} + \dfrac{\cot\theta}{1-\tan\theta} = 1 + \sec\theta\csc\theta

\tan\theta = 8/15

, find

\sin\theta + \cos\theta

Prove

(\sec\theta + \tan\theta)(\sec\theta - \tan\theta) = 1

Evaluate

\sin 60^\circ\cos 30^\circ + \sin 30^\circ\cos 60^\circ

Prove

(1 - \cos^2\theta)\csc^2\theta = 1

\sin A = 3/5

, find

\cos A, \tan A

\sin 45^\circ + \cos 45^\circ