trigonometry

Related Questions

• If $(2\cos x-1)(3+2\cos x)=0,\,0\le x\le 2\pi $, then $x=$

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• If $12{{\cot }^{2}}\theta -31\,\text{cosec }\theta +\text{32}=\text{0}$, then the value of $\sin \theta $ is

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• The value of $\tan 7\frac{1}{2}{}^\circ $ is equal to

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• If $\tan \theta =-\frac{1}{\sqrt{10}}$and $\theta $ lies in the fourth quadrant, then $\cos \theta =$

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• If $\tan x+\tan \left( \frac{\pi }{3}+x \right)+\tan \left( \frac{2\pi }{3}+x \right)=3,$ then

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