trigonometry

Related Questions

• In a$\Delta ABC,$ if $b=20,c=21$ and $\sin A=3/5$ , then $a=$

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• ${{\cos }^{2}}{{76}^{o}}+{{\cos }^{2}}{{16}^{o}}-\cos {{76}^{o}}\cos {{16}^{o}}=$

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• The maximum value of $\sin \left( x+\frac{\pi }{6} \right)+\cos \left( x+\frac{\pi }{6} \right)$ in the interval $\left( 0,\frac{\pi }{2} \right)$is attained at

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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 ladder 5 metre long leans against a vertical wall. The bottom of the ladder is 3 metre from the wall. If the bottom of the ladder is pulled 1 metre farther from the wall, how much does the top of the ladder slide down the wall

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