Question

Derivative of cosec^2x

Answer 1

hey mate please refer to the attachment

Answer 2

Answer:

cosec^2x= 1/sin^2x

Although cosec is the reciprocal of sin but they always use to appear together.

And we also know that

${ (\cosec) }^{2} 2x \\ = { \sec }^{2} (90 - 2x)$

cosec and sec are also related other, but they don't fight with each other.

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