trigonometry

Related Questions

• If $5\tan \theta =4,$ then $\frac{5\sin \theta -3\cos \theta }{5\sin \theta +2\cos \theta }=$

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• In a $\Delta ABC,$ $A:B:C$. Then $[a+b+c\sqrt{2}]$ is equal to

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• If the period of the function $f(x)=\sin \left( \frac{x}{n} \right)$ is $4\pi $ , then $n$ is equal to

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• Two vertical poles of equal heights are 120 m apart. On the line joining their bottoms, A and B are two points. Angle of elevation of the top of one pole from A is 45° and that of the other pole from B is also 45°. If AB = 30 m, then the height of each pole is

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• If $A+B+C=\pi ,$ then ${{\tan }^{2}}\frac{A}{2}+{{\tan }^{2}}\frac{B}{2}+$${{\tan }^{2}}\frac{C}{2}$ is always

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