trigonometry

Related Questions

• In a triangle ABC, $a=5,b=7$ and $\sin A=\frac{3}{4}$ how many such triangles are possible

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• For $A=133{}^\circ ,\ 2\cos \frac{A}{2}$is equal to

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• If $|k|\,=5$and ${{0}^{o}}\le \theta \le {{360}^{o}}$, then the number of different solutions of 3$\cos \theta +4\sin \theta =k$ is

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• $\frac{1}{\sin 10{}^\circ }-\frac{\sqrt{3}}{\cos 10{}^\circ }$=

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• If ${{\sin }^{2}}\theta =\frac{{{x}^{2}}+{{y}^{2}}+1}{2x}$, then x must be

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