trigonometry

Related Questions

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

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• The sides of a triangle are three consecutive natural numbers and its largest angle is twice the smallest one. Then the sides of the triangle are

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• ${{\cos }^{2}}48{}^\circ -{{\sin }^{2}}12{}^\circ =$

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• A ladder 5 metre long leans against a vertical wall. The bottom of the ladder is 3 metre from the wall. If the bottom of the ladder is pulled 1 metre farther from the wall, how much does the top of the ladder slide down the wall

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• Common roots of the equations $2{{\sin }^{2}}x+{{\sin }^{2}}2x=2$ and $\sin 2x+\cos 2x=\tan x,$ are

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