Question #adabe

1 Answer
Stacey R.
Apr 28, 2015

This question requires some chain rule action!
Let's begin by reminding ourselves of some basic derivative rules:
#d/dx e^x = e^x#
#d/dx cos(x) = -sin(x)#

Putting this all together, we get:
#d/dx e^(cos(6x)) = e^(cos(6x)) * -sin(6x) * 6 = -6sin(6x)e^(cos(6x)) #

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