trigonometry

Related Questions

• Period of $|2\sin 3\theta +4\cos 3\theta |$ is

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

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• In a $\Delta ABC$ , $\frac{\cos A}{a}=\frac{\cos B}{b}=\frac{\cos C}{c}$ and the side $a=2,$ then area of the triangle 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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• If in a triangle ABC side $a=(\sqrt{3}+1)$ cms and $\angle B={{30}^{o}},$ $\angle C={{45}^{o}}$ , then the area of the triangle is

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