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NDA Mathematics 16 April 2023
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What is the derivative of cosec(x°) ?  
A
-cosec(x°) cot(x°)  
B
$ -\frac{\pi}{180} \operatorname{cosec}\left(x^{\circ}\right) \cot \left(x^{\circ}\right) $
C
$\frac{\pi}{180} \operatorname{cosec}\left(x^{\circ}\right) \cot \left(x^{\circ}\right) $
D
$-\frac{\pi}{180} \operatorname{cosec}(x) \cot (x)$
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