trigonometry

Related Questions

• If in a triangle the angles are in A. P. and $b:c=\sqrt{3}:\sqrt{2}$ , then $\angle A$ is equal to

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• If $A={{60}^{o}}$ , $a=5,b=4\sqrt{3}$ in $\Delta ABC$ , then $B =$

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• $\frac{\sin 3\theta +\sin 5\theta +\sin 7\theta +\sin 9\theta }{\cos 3\theta +\cos 5\theta +\cos 7\theta +\cos 9\theta }=$

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• If $\cos \theta =-\frac{1}{\sqrt{2}}$and $\tan \theta =1$, then the general value of $\theta $is

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• The angle of elevation of the sun, when the shadow of the pole is $\sqrt{3}$ times the height of the pole, is

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