trigonometry

Related Questions

• If $\tan \alpha ,\tan \beta $are the roots of the equation ${{x}^{2}}+px+q=0\text{ }(p\ne 0),$ then

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• If $\tan x+\tan \left( \frac{\pi }{3}+x \right)+\tan \left( \frac{2\pi }{3}+x \right)=3,$ then

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• In $\Delta ABC,$ if $(a+b+c)(a-b+c)$ =3ac, then

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• The value of $\sin {{47}^{o}}+\sin 61{}^\circ -\sin 11{}^\circ -\sin 25{}^\circ =$

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• If $\sin \theta =\frac{24}{25}$and $\theta $ lies in the second quadrant, then $\sec \theta +\tan \theta =$

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