trigonometry

Related Questions

• The general value of $\theta $ satisfying ${{\sin }^{2}}\theta +\sin \theta =2$ is

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• If $\cos x+\cos y+\cos \alpha =0$ and $\sin x+\sin y+\sin \alpha =0,$ then $\cot \,\left( \frac{x+y}{2} \right)=$

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• The maximum value of $4{{\sin }^{2}}x+3{{\cos }^{2}}x$ is

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• The general solution of $\tan 3x=1$ is

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• In a triangle $ABC$ , $AD$ is altitude from A. Given $b>c,$ $\angle C={{23}^{o}}$ and $AD=\frac{abc}{{{b}^{2}}-{{c}^{2}}},$ then $\angle B=$

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