trigonometry

Related Questions

• The equation ${{(a+b)}^{2}}=4ab{{\sin }^{2}}\theta $is possible only when

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• $2{{\sin }^{2}}x+{{\sin }^{2}}2x=2,\,-\pi <x<\pi ,$then $x=$

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• If A is the area and 2s the sum of 3 sides of triangle, then

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• In a $\Delta ABC$ , $\frac{\cos A}{a}=\frac{\cos B}{b}=\frac{\cos C}{c}$ and the side $a=2,$ then area of the triangle is

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• If $\tan A-\tan B=x$ and $\cot B-\cot A=y,$then $\cot (A-B)=$

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