trigonometry

Related Questions

• In a $\Delta ABC,\,\,\frac{\cos C+\cos A}{c+a}+\frac{\cos B}{b}$ is equal to

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• The maximum value of ${{\cos }^{2}}\left( \frac{\pi }{3}-x \right)-{{\cos }^{2}}\left( \frac{\pi }{3}+x \right)$ is

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• A ladder rests against a wall so that its top touches the roof of the house. If the ladder makes an angle of 60° with the horizontal and height of the house be $6\sqrt{3}$ meters, then the length of the ladder is

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• $\sin (\pi +\theta )\sin (\pi -\theta )\,\text{ cose}{{\text{c}}^{2}}\theta =$

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• The solution of the equation $4{{\cos }^{2}}x+6$${{\sin }^{2}}x=5$

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