trigonometry

Related Questions

• If $b=3,c=4$ and $B=\frac{\pi }{3}$ , then the number of triangle that can be constructed is

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• If in a triangle the angles are in A. P. and $b:c=\sqrt{3}:\sqrt{2}$ , then $\angle A$ is equal to

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• .$\cos 2(\theta +\varphi )-4\cos (\theta +\varphi )\sin \theta \sin \varphi +2{{\sin }^{2}}\varphi =$

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• If in triangle $ABC,\cos A=\frac{\sin B}{2\sin C}$ , then the triangle is

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• If $\sec \theta +\tan \theta =p,$then $\tan \theta $is equal to

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