trigonometry

Related Questions

• ${{\tan }^{2}}\theta +{{\cot }^{2}}\theta $is

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• In a $\Delta ABC,\,\,\frac{\cos C+\cos A}{c+a}+\frac{\cos B}{b}$ is equal to

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• The number of values of $\theta $ in $[0, 2\pi ]$ satisfying the equation $2{{\sin }^{2}}\theta =4+3 \cos \theta $ are

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• If $\sqrt{x}+\frac{1}{\sqrt{x}}=2\cos \theta ,$then ${{x}^{6}}+{{x}^{-6}}=$

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• If the period of the function $f(x)=\sin \left( \frac{x}{n} \right)$ is $4\pi $ , then $n$ is equal to

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