trigonometry

Related Questions

• $\frac{1}{\sin 10{}^\circ }-\frac{\sqrt{3}}{\cos 10{}^\circ }$=

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• $\cos \frac{\pi }{7}\cos \frac{2\pi }{7}\cos \frac{4\pi }{7}=$

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• The solution of $3\tan (A-{{15}^{o}})=\tan (A+{{15}^{o}})$ is

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• The radius of the circle whose arc of length $15cm$ makes an angle of 3/4 radian at the centre is

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• A tree is broken by wind, its upper part touches the ground at a point 10 metres from the foot of the tree and makes an angle of 45° with the ground. The total length of tree is

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