trigonometry

Related Questions

• In $\Delta ABC,$ if $(a+b+c)(a-b+c)$ =3ac, then

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• The expression $(1+\tan x+{{\tan }^{2}}x)$ $(1-\cot x+{{\cot }^{2}}x)$ has the positive values for x, given by

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• $\frac{1}{\tan 3A-\tan A}-\frac{1}{\cot 3A-\cot A}=$

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• In $\Delta ABC$ , if $\angle C={{90}^{o}}$ ,$\angle A={{30}^{o}}$ , $c=20$ , then the values of a and b are

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• If angle $\theta $ be divided into two parts such that the tangent of one part is $k$ times the tangent of the other and $\varphi $ is their difference, then $\sin \theta =$

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