trigonometry

Related Questions

• In$\Delta ABC,$ if $\cot A,\cot B,\cot C$ be in A. P., then ${{a}^{2}},\text{ }{{b}^{2}},\text{ }{{c}^{2}}$ are in

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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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• If $x=y\cos \frac{2\pi }{3}=z\cos \frac{4\pi }{3}$, then $xy+yz+zx=$

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• We are given b, c and $\sin B$ such that B is acute and $b<c\sin B$. Then

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• If $\tan (\pi \cos \theta )=\cot (\pi \sin \theta ),$then the value of $\cos \left( \theta -\frac{\pi }{4} \right)$=

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