trigonometry

Related Questions

• If $\cot \theta +\tan \theta =2\text{cosec}\theta $, the general value of $\theta $ is

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• $\frac{\sin (B+A)+\cos (B-A)}{\sin (B-A)+\cos (B+A)}=$

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• If $\tan A+\cot A=4,$then ${{\tan }^{4}}A+{{\cot }^{4}}A$ is equal to

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• In a triangle $ABC,$ $a=4,b=3$ , $\angle A={{60}^{o}}$. Then c is the root of the equation

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• $\cos 15{}^\circ =$

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