trigonometry

Related Questions

• If $A={{30}^{o}},a=7,b=8$ in $\Delta ABC$ , then B has

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• $\frac{\sin \theta +\sin 2\theta }{1+\cos \theta +\cos 2\theta }=$

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• The most general value of $\theta $satisfying the equations $\tan \theta =-1$ and $\cos \theta =\frac{1}{\sqrt{2}}$is

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• If $\alpha +\beta -\gamma =\pi ,$then${{\sin }^{2}}\alpha +{{\sin }^{2}}\beta -{{\sin }^{2}}\gamma =$

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• If $A+B+C={{180}^{o}},$ then $\frac{\tan A+\tan B+\tan C}{\tan A\,.\,\tan B\,.\,\tan C}=$

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