trigonometry

Related Questions

• If $p=\frac{2\sin \,\theta }{1+\cos \theta +\sin \theta }$, and $q=\frac{\cos \theta }{1+\sin \theta },$ then

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• In triangle $ABC$ if $a,b,c$ are in A. P., then the value of $\frac{\sin \frac{A}{2}\sin \frac{C}{2}}{\sin \frac{B}{2}}=$

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• The number of triangles ABC that can be formed with $a=3,b=8$ and $\sin A=\frac{5}{13}$ is

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• The value of $\cos 52{}^\circ +\cos 68{}^\circ +\cos 172{}^\circ $ is

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• If $A={{\sin }^{2}}\theta +{{\cos }^{4}}\theta ,$ then for all real values of $\theta$

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