trigonometry

Related Questions

• If in a triangle ABC, angle C is ${{45}^{o}}$ , then $(1+\cot A)(1+\cot B)=$

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• The value of $6({{\sin }^{6}}\theta +{{\cos }^{6}}\theta )-9({{\sin }^{4}}\theta +{{\cos }^{4}}\theta )+4$ is

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• If ${{p}_{1}},{{p}_{2}},{{p}_{3}}$ are altitudes of a triangle $ABC$ from the vertices $A,B,C$ and $\Delta $ the area of the triangle, then $p_{1}^{-2}+p_{2}^{-2}+p_{3}^{-2}$ is equal to

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• If the angles of a triangle are in the ratio $4:1:1$, then the ratio of the longest side to the perimeter is

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

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