Question

differentiation of cot^2 x​

Answer 1

Answer:

By formula

d/dx(x^n)=n.x^n-1.

Answer 2

dy/dx = cot²x

dy/dx = d/dx . (cotx)²

dy/dx = 2cotx. d/dx . cotx

dy/dx = 2cotx . (- cosec²x)

•°• f'(x) = - 2cot. cosec²x