trigonometry

Related Questions

• The maximum value of $\sin \left( x+\frac{\pi }{6} \right)+\cos \left( x+\frac{\pi }{6} \right)$ in the interval $\left( 0,\frac{\pi }{2} \right)$is attained at

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• If $\frac{\cos A}{\sin B\sin C}+\frac{\cos B}{\sin C\sin A}+\frac{\cos C}{\sin A\sin B}=$then $32\sin \left( \frac{A}{2} \right)\sin \left( \frac{5A}{2} \right)=$

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• The angle of elevation of a tower from a point A due south of it is 30° and from a point B due west of it is 45°. If the height of the tower be 100 metres, then AB =

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• The equation $\sin x+\sin y+\sin z=-3$ for $0\le x\le 2\pi ,$ $0\le y\le 2\pi ,$ $0\le z\le 2\pi $, has

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• $\tan 75{}^\circ -\cot 75{}^\circ =$

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