trigonometry

Related Questions

• The value of $6({{\sin }^{6}}\theta +{{\cos }^{6}}\theta )-9({{\sin }^{4}}\theta +{{\cos }^{4}}\theta )+4$ is

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• If $\theta $ lies in the second quadrant, then the value of $\sqrt{\left( \frac{1-\sin \theta }{1+\sin \theta } \right)}+\sqrt{\left( \frac{1+\sin \theta }{1-\sin \theta } \right)}$

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• The smallest positive angle which satisfies the equation $2{{\sin }^{2}}\theta +\sqrt{3}\cos \theta +1=0$, is

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• Period of $\sin \theta \cos \theta $ is

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• In $\Delta ABC,$ if ${{\sin }^{2}}\frac{A}{2},{{\sin }^{2}}\frac{B}{2},{{\sin }^{2}}\frac{C}{2}$ be in H. P. then a, b, c will be in

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