- #1

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... of (x tan^2 x). i don't know how to do it. pls help

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- Thread starter O.J.
- Start date

- #1

- 199

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... of (x tan^2 x). i don't know how to do it. pls help

- #2

Staff Emeritus

Science Advisor

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Well, what have you tried? This is clearly homework! Try writing tanx in terms of sinx and cosx.

- #3

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- #4

- 199

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any ideas?

- #5

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But before you do that you should use a trig identity (think of an identity which will give you an easily integratable trig function).

- #6

Staff Emeritus

Science Advisor

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- #7

Homework Helper

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Good work though :P

- #8

Staff Emeritus

Science Advisor

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any ideas?

Hint: Do you know an identity for tan

Try using this then integrate by parts. Post your work so we can help you.

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