trigonometry

Related Questions

• If $\frac{\tan 3\theta -1}{\tan 3\theta +1}=\sqrt{3}$, then the general value of $\theta $is

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• Common roots of the equations $2{{\sin }^{2}}x+{{\sin }^{2}}2x=2$ and $\sin 2x+\cos 2x=\tan x,$ are

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• $\tan 20{}^\circ +\tan 40{}^\circ +\sqrt{3}\tan 20{}^\circ \tan 40{}^\circ =$

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• The period of the function $f(\theta )=\sin \frac{\theta }{3}+\cos \frac{\theta }{2}$ is

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

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