Could someone please help me figure out the first and second derivative of the following function:

f(x)=ln(sec(6x)+tan(6x))

Explanation would be very appreciated.

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- Feb 17th 2011, 05:42 PMbennettb6Derivative of trig functions under the natural log
Could someone please help me figure out the first and second derivative of the following function:

f(x)=ln(sec(6x)+tan(6x))

Explanation would be very appreciated. - Feb 17th 2011, 05:49 PMe^(i*pi)
Standard Chain Rule:

In this case you have

You'll need to use the chain rule again on the numerator - Feb 17th 2011, 05:57 PMSoroban
Hello, bennettb6!

Quote:

. .

Chain Rule: .

. . . . . . . . .

- Feb 17th 2011, 06:12 PMbennettb6
Perfect, thanks for the help!