trigonometry

Related Questions

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

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• The equation ${{(a+b)}^{2}}=4ab{{\sin }^{2}}\theta $is possible only when

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• $\frac{\cos {{10}^{o}}+\sin {{10}^{o}}}{\cos {{10}^{o}}-\sin {{10}^{o}}}=$

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• A tower subtends angles $\alpha ,\,2\alpha ,\,3\alpha $respectively at points A, B and $C$, all lying on a horizontal line through the foot of the tower. Then $AB/BC=$

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• If $(\sec \alpha +\tan \alpha )(\sec \beta +\tan \beta )(\sec \gamma +\tan \gamma )=\tan \alpha \tan \beta \tan \gamma $, then $(\sec \alpha -\tan \alpha )(\sec \beta -\tan \beta )$ then $(\sec \gamma -\tan \gamma )=$

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