trigonometry

Related Questions

• Period of ${{\sin }^{2}}x$ is

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• The period of the function $\sin \left( \frac{\pi x}{2} \right)+\cos \left( \frac{\pi x}{2} \right)$ is

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• The number of solutions of the given equation $\tan \theta +\sec \theta =\sqrt{3},$ where $0 < \theta <2\pi $is

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• If in a $\Delta ABC$ , $\cos 3A+\cos 3B+\cos 3C=1$ , then one angle must be exactly equal to

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• If $x=\cos 10{}^\circ \cos 20{}^\circ \cos 40{}^\circ ,$then the value of $x$ is

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