Prove that `d/(dx) (csc(x)) = -csc(x) cot(x)`

kspcr111 | Student

`d/(dx) (csc(x))`

`=d/(dx) (1/sin(x))`

`= ((d/(dx) sin x)*1 - sinx * d/dx(1))/(sin^2(x))`

`= -cosx/(sin^2(x))`

`=-csc x cot(x)`

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