`y = (1/2)csc(2x), ((pi/4),(1/2))` Find and evaluate the derivative of the function at the given point.

Textbook Question

Chapter 2, Review - Problem 69 - Calculus of a Single Variable (10th Edition, Ron Larson).
See all solutions for this textbook.

1 Answer | Add Yours

hkj1385's profile pic

hkj1385 | (Level 1) Assistant Educator

Posted on

`y = (1/2)*cosec(2x)`

`y' = -(1/2)*2*cosec(2x)*cot(2x)`

  • Putting x = pi/4 

`y' = -1*cosec(pi/2)*cot(pi/2) = -1*1*0 = 0`

``

We’ve answered 318,917 questions. We can answer yours, too.

Ask a question