trigonometry

Related Questions

• If the angles of a triangle are in the ratio $4:1:1$, then the ratio of the longest side to the perimeter is

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• $\frac{1}{4}\left[ \sqrt{3}\cos 23{}^\circ -\sin 23{}^\circ \right]=$

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• If $\pi <\alpha <\frac{3\pi }{2}$, then $\sqrt{\frac{1-\cos \alpha }{1+\cos \alpha }}+\sqrt{\frac{1+\cos \alpha }{1-\cos \alpha }}$=

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• If $\sin (A+B)$=1 and $\cos (A-B)=\frac{\sqrt{3}}{2},$then the smallest positive values of A and B are

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• If a flagstaff of 6 metres high placed on the top of a tower throws a shadow of $2\sqrt{3}\,metres$ along the ground, then the angle (in degrees) that the sun makes with the ground is

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