trigonometry

Related Questions

• If $\tan (\pi \cos \theta )=\cot (\pi \sin \theta )$, then $\sin \left( \theta +\frac{\pi }{4} \right)$ equals

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• The value of $2({{\sin }^{6}}\theta +{{\cos }^{6}}\theta )-3({{\sin }^{4}}\theta +{{\cos }^{4}}\theta )+1$ is

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• If in a triangle $ABC,$ $(s-a)(s-b)=s\,\,(s-c)$ , then angle C is equal to

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• If in a triangle $ABC$ , $b=\sqrt{3}$ , $c=1$ and $B-C={{90}^{o}}$ then $\angle A$ is

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• If in $\Delta ABC,$ $a=6,b=3$ and $\cos (A-B)=\frac{4}{5}$ , then its area will be

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