LiHJ
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Homework Statement
Dear Mentors PF Helpers,
Here's my question:
I see it from my textbook with it solutions copied down below. Wonder is there another way to do it.
Thank you for your time.
How Do I Solve 1st and 2nd Derivative Homework Problems?
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Dear Mentors PF Helpers,
Here's my question:
I see it from my textbook with it solutions copied down below. Wonder is there another way to do it.
Thank you for your time.
- 15,536
- 1,917
I do not see that you did any differentiation.
LiHJ
- 43
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Sorry forgot to copied these as well
- 15,536
- 1,917
I do not see any other way than doing the differentiation. You may replace sec(x) by 1/cos(x), and replace the argument of the logarithm by (1+sinx)/cos(x) before differentiating.
LiHJ
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Thank you