trigonometry

Related Questions

• $\frac{\sqrt{1+\sin x}+\sqrt{1-\sin x}}{\sqrt{1+\sin x}-\sqrt{1-\sin x}}=$ (when $x$ lies in $2^{nd}$ quadrant)

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• $\frac{\cos A}{1-\sin A}=$

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• If $\cot \theta +\cot \left( \frac{\pi }{4}+\theta \right)=2$, then the general value of $\theta $ is

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• In a triangle $ABC$ if $2{{a}^{2}}{{b}^{2}}+2{{b}^{2}}{{c}^{2}}=$ ${{a}^{4}}+{{b}^{4}}+{{c}^{4}}$ , then angle B is equal to

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• $\sin \left( \frac{\pi }{10} \right)\sin \left( \frac{3\pi }{10} \right)=$

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