trigonometry

Related Questions

• In a triangle $ABC$ , if $b+c=2a$ and $\angle A=60{}^\circ ,$ then $\Delta ABC$ is

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• For a man, the angle of elevation of the highest point of the temple situated east of him is 60°. On walking 240 metres to north, the angle of elevation is reduced to 30°, then the height of the temple is

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• If $\theta $is an acute angle and $\sin \frac{\theta }{2}=\sqrt{\frac{x-1}{2x}}$, then $\tan \theta $ is equal to

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• Maximum value of $\sin x-\cos x$ is equal to

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• $2{{\cos }^{2}}\theta -2{{\sin }^{2}}\theta =1$,then $\theta =$

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