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India
Class X

Solve for angles or other trig ratios

Interactive practice questions

Find the value of $\theta$θ if $\cos\theta=\frac{1}{\sqrt{2}}$cosθ=12, given that $0^\circ\le\theta\le90^\circ$0°θ90°.

Easy
< 1min

Find the value of $\theta$θ if $\tan\theta=\sqrt{3}$tanθ=3, given that $0^\circ\le\theta\le90^\circ$0°θ90°.

Easy
< 1min

Find the value of $\theta$θ if $\sin\theta=\frac{\sqrt{3}}{2}$sinθ=32, given that $0^\circ\le\theta\le90^\circ$0°θ90°.

Easy
< 1min

Find the value of $\theta$θ if $\tan\theta=\frac{1}{\sqrt{3}}$tanθ=13, given that $0^\circ\le\theta\le90^\circ$0°θ90°.

Easy
< 1min
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Outcomes

10.T.IT.1

Trigonometric ratios of an acute angle of a right-angled triangle. Proof of their existence (well defined); motivate the ratios, whichever are defined at 0° and 90°. Values (with proofs) of the trigonometric ratios of 30°, 45° and 60°. Relationships between the ratios.

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