trigonometry

Related Questions

• The maximum value of $a\cos x+b\sin x$is

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• If $\cos A=m\cos B,$then

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• In$\Delta ABC,$ if $\cot A,\cot B,\cot C$ be in A. P., then ${{a}^{2}},\text{ }{{b}^{2}},\text{ }{{c}^{2}}$ are in

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• Let D be the middle point of the side BC of a triangle ABC. If the triangle ADC is equilateral, then ${{a}^{2}}:{{b}^{2}}:{{c}^{2}}$ is equal to

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• If $x=\cos 10{}^\circ \cos 20{}^\circ \cos 40{}^\circ ,$then the value of $x$ is

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