trigonometry

Related Questions

• If in $\Delta ABC,$ $a=6,b=3$ and $\cos (A-B)=\frac{4}{5}$ , then its area will be

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• Values of $\theta (0<\theta <{{360}^{o}})$ satisfying $\text{cosec}\theta +2=0$ are

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• Period of $\cos (7x-5)$ is

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• In triangle ABC and DEF, AB = DE, AC = EF and $\angle A=2\angle E$. Two triangles will have the same area, if angle A is equal to

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• In a $\Delta ABC,\,\,\frac{\cos C+\cos A}{c+a}+\frac{\cos B}{b}$ is equal to

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