trigonometry

Related Questions

• Sides of a triangle are $2cm,\sqrt{6}\,cm$ and $(\sqrt{3}+1)cm$. The smallest angle of the triangle is

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• Which of the following number(s) is/are rational

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• $\sin 36{}^\circ \sin 72{}^\circ \sin 108{}^\circ \sin 144{}^\circ =$

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• In any triangle ABC, the value of $a({{b}^{2}}+{{c}^{2}})\cos A+b({{c}^{2}}+{{a}^{2}})\cos B+c({{a}^{2}}+{{b}^{2}})\cos C$ is

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• In any triangle $ABC,\frac{\tan \frac{A}{2}-\tan \frac{B}{2}}{\tan \frac{A}{2}+\tan \frac{B}{2}}=$

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