trigonometry

Related Questions

• A circular wire of radius $7\,cm$ is cut and bend again into an arc of a circle of radius $12cm$. The angle subtended by the arc at the centre is

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• If ${{\sin }^{2}}\theta -2\cos \theta +\frac{1}{4}=0,$then the general value of $\theta $is

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• In triangle ABC, the value of $\sin 2A+\sin 2B+\sin 2C$ is equal to

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

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• $\sin 12{}^\circ \sin 24{}^\circ \sin 48{}^\circ \sin 84{}^\circ =$

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