trigonometry

Related Questions

• 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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• The value $\cos 105{}^\circ +\sin 105{}^\circ $is

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• In a $\Delta ABC,$ if $\frac{\sin A}{\sin C}=\frac{\sin (A-B)}{\sin (B-C)},$ then ${{a}^{2}},\ {{b}^{2}},\ {{c}^{2}}$ are in

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• 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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• If in a triangle ABC, a, b, c and angle A is given and $c\sin A<a<c,$ then

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