trigonometry

Related Questions

• The angle of elevation of the top of a tower from a point 20 metre away from its base is 45°. The height of the tower is

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• If $A+B+C=\pi \,(A,B,C>0)$ and the angle C is obtuse then

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• $\frac{{{\sin }^{2}}A-{{\sin }^{2}}B}{\sin A\cos A-\sin B\cos B}=$

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• The period of the function $\sin \left( \frac{2x}{3} \right)+\sin \left( \frac{3x}{2} \right)$ is

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• The only value of x for which ${{2}^{\sin x}}+{{2}^{\cos x}}>{{2}^{1-(1/\sqrt{2})}}$ holds, is

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