How do you find the derivative of h(theta) = csctheta +e^thetacotthetah(θ)=cscθ+eθcotθ?

1 Answer
Jun 1, 2018

h'(theta)=(e^theta*cos(theta)*sin(theta)-cos(theta)-e^(theta))/sin^2(theta)

Explanation:

We have
h'(theta)=-csc(theta)cot(theta)+e^thetacot(theta)+e^theta(-1-cot^2(theta))

Writing
csc(theta)=1/sin(theta)
cot(theta)=cos(theta)/sin(theta)
we get the result above.