What is the derivative of #f(x) = sec(5x)#?
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"How do I solve #y'' + y = -2 sin(x)# with the initial conditions #y(0) = 0# and #y'(0) = 1#?"
1 Answer
Mar 22, 2018
Explanation:
The derivative of
However since the angle is
So we multiply again by the derivative of
This gives us our final answer as
Hope that helped!
