What is the derivative of this function #-1/(sin(x))^2#?
1 Answer
Dec 3, 2016
Explanation:
This function can be written as
We let
Recall that the chain rule for derivatives of composite functions states that
#dy/dx = 2/u^3 xx cosx#
#dy/dx = (2cosx)/(sinx)^3#
By the identities
#dy/dx = 2cotxcsc^2x#
Hopefully this helps!