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#1 2007-10-22 06:13:20
- xXxEmZyxXx
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- Registered: 2007-10-15
- Posts: 12
arctan function
intergrate tan^(-1)dx
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#2 2007-10-22 10:16:52
- bossk171
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- Registered: 2007-07-16
- Posts: 305
Re: arctan function
x*tan-¹[x] - ln[1 + x²]/2
I don't know how to show this, integrals like this always send me strait to a table or The Integrator.
There are 10 types of people in the world, those who understand binary, those who don't, and those who can use induction.
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#3 2007-10-22 12:08:03
- Krizalid
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- Registered: 2007-03-09
- Posts: 51
Re: arctan function
All you need to do is apply integration by parts.
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#4 2007-10-22 14:03:03
- bossk171
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- Registered: 2007-07-16
- Posts: 305
Re: arctan function
Krizalid wrote:
All you need to do is apply integration by parts.
After a little work with google, and that uselessly vague hint, I figured it out:
Last edited by bossk171 (2007-10-22 15:16:01)
There are 10 types of people in the world, those who understand binary, those who don't, and those who can use induction.
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