Find an Online Tutor Now

Fresh C.

asked • 09/19/17

finding the max of a trig function

f(x) = 5sin (-4x)-3 in the domain 0<x<2 pi
i know how to find the derivative
f'(x) = -20 cos (-4x)
but i am unsure as to how you solve this for critical values:
(maximum is 2)

1 Expert Answer


Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.


Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.