# Free CBSE Class X Maths Trigonometry Worksheets

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## Sample CBSE Class X Maths Trigonometry Worksheet Questions

1.

In $\bigtriangleup&space;ABC$ right angled at B, AB = 24 cm, BC = 7 m. Determine sin A, tan A

2.

If$cot\Theta&space;=\frac{7}{8}$, evaluate (i)$cos^{2}\Theta&space;+sin^{2}\Theta$ (ii)$cos^{2}\Theta&space;-sin^{2\Theta&space;}$

3.

Evaluate the following :- $sin^{2}25^{\circ}&space;+&space;sin^{2}65^{\circ}&space;+&space;\sqrt{(tan5^{\circ}tan15^{\circ}tan30^{\circ}tan85^{\circ})}$ tan30° tan75° tan85°).

4.

If $\Theta$ is an acute angle and $sin\Theta&space;=&space;cos\Theta$, find the value of $3tan^{2}\Theta&space;+&space;2sin^{2}\Theta&space;-&space;1$.

5.

If $sec\alpha&space;=&space;\frac{5}{4}$ then evaluate $\frac{tan\alpha&space;}{(1&space;+&space;tan^{2}\alpha&space;)}$.

6.

Find the value of $cosec^{2}30^{\circ}&space;-&space;sin^{2}45^{\circ}&space;-&space;sec^{2}60^{\circ}$

7.

If $cos&space;x&space;=&space;cos&space;60^{\circ}cos30^{\circ}&space;+&space;sin60^{\circ}sin30^{\circ}$, then find the value of x

8.

If $0^{\circ}&space;\leq&space;x\leq&space;90^{\circ}$ and $2sin^{2}x&space;=&space;1/2$,then find the value of x

9.

If $cot\Theta&space;=&space;1/\sqrt{3}$ then find the value of $\frac{(1-cos^{2}\Theta&space;)}{(1&space;+&space;cos^{2}\Theta&space;)}$

10.

Change $sec^{4}\Theta&space;-&space;sec^{2}\Theta$ in terms of $tan\Theta$.

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