trigonometry

Related Questions

• If $A={{30}^{o}},a=7,b=8$ in $\Delta ABC$ , then B has

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• If $\sin \beta $is the geometric mean between $\sin \alpha $and $\cos \alpha ,$then $\cos 2\beta $is equal to

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• The minimum value of $9{{\tan }^{2}}\theta +4{{\cot }^{2}}\theta $is

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• $2\sin A{{\cos }^{3}}A-2{{\sin }^{3}}A\cos A=$

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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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