trigonometry

Related Questions

• In $\Delta ABC,$ $\text{cosec }A(\sin B\cos C+\cos B\sin C)=$

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• $\text{cosec }A-2\cot 2A\cos A=$

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• ${{\cos }^{2}}A{{(3-4{{\cos }^{2}}A)}^{2}}+{{\sin }^{2}}A{{(3-4{{\sin }^{2}}A)}^{2}}=$

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• If $\cos A\sin \left( A-\frac{\pi }{6} \right)$is maximum, then the value of A is equal to

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• If A, B, C are acute positive angles such that $A+B+C=\pi $ and $\cot A\,\cot \,B\,\cot \,C=K,$ then

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