trigonometry

Related Questions

• In a$\Delta ABC,$ if $b=20,c=21$ and $\sin A=3/5$ , then $a=$

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

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• ABC is a triangle such that $\sin (2A+B)=$ $\sin (C-A)=$ $-\sin (B+2C)=\frac{1}{2}$. If A, B and C are in A.P., then A, B and C are

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• If $\frac{\cos A}{\sin B\sin C}+\frac{\cos B}{\sin C\sin A}+\frac{\cos C}{\sin A\sin B}=$then $32\sin \left( \frac{A}{2} \right)\sin \left( \frac{5A}{2} \right)=$

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• If the sides of a triangle are in the ratio $2:\sqrt{6}:(\sqrt{3}+1)$ , then the largest angle of the triangle will be

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