trigonometry

Related Questions

• The general value of $\theta $ satisfying the equation $\tan \theta +\tan \left( \frac{\pi }{2}-\theta \right)=2$, is

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• One root of the equation $\cos x-x+\frac{1}{2}=0$lies in the interval

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• A balloon is observed simultaneously from three points A, B and C on a straight road directly under it. The angular elevation at B is twice and at C is thrice that of A. If the distance between A and B is 200 metres and the distance between B and C is 100 metres, then the height of balloon is given by

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• If $\sin (\alpha -\beta )=\frac{1}{2}$and $\cos (\alpha +\beta )=\frac{1}{2},$where $\alpha $ and $\beta $ are positive acute angles, then

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• If $\cos A\sin \left( A-\frac{\pi }{6} \right)$is maximum, then the value of A is equal to

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