trigonometry

Related Questions

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

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• $\sin {{163}^{o}}\cos {{347}^{o}}+\sin {{73}^{o}}\sin {{167}^{o}}=$

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• If in a $\Delta ABC$ , $\cos 3A+\cos 3B+\cos 3C=1$ , then one angle must be exactly equal to

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• The value of x for the maximum value of $\sqrt{3}\cos x+\sin x$is

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• If$\frac{2\sin \alpha }{\{1+\cos \alpha +\sin \alpha \}}=y,$then $\frac{\{1-\cos \alpha +\sin \alpha \}}{1+\sin \alpha }=$

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