https://webwork.math.ohio-state.edu/...e73d833e21.png Domain of: https://webwork.math.ohio-state.edu/...958f299ec1.png

Please help me find the first and second derivatives of this problem. I'm stuck.

Thank you,

CK11

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- Nov 20th 2009, 07:06 PMCK11First and Second Derivatives
https://webwork.math.ohio-state.edu/...e73d833e21.png Domain of: https://webwork.math.ohio-state.edu/...958f299ec1.png

Please help me find the first and second derivatives of this problem. I'm stuck.

Thank you,

CK11 - Nov 20th 2009, 07:29 PMANDS!
$\displaystyle 4(cos(7t))^{2}$

That should make it easier. Apply your derivatives as you would normally. You will use chain rule twice.