Q: let f(x)=integral of e^(-t^2) limit from sin(x) to cos(x).Then find f'(pi/4)=

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- Apr 23rd 2009, 08:56 AMMathventureintegral problem...
Q: let f(x)=integral of e^(-t^2) limit from sin(x) to cos(x).Then find f'(pi/4)=

- Apr 23rd 2009, 10:52 AMJester
- Apr 23rd 2009, 06:51 PMMathventure
- Apr 23rd 2009, 07:02 PMNonCommAlg
- Apr 23rd 2009, 07:04 PMMathventure
- Apr 23rd 2009, 07:09 PMskeeter
you don't need to solve the integral ... use the 2nd FTC.

- Apr 23rd 2009, 07:12 PMMathventure
- Apr 23rd 2009, 07:13 PMNonCommAlg
- Apr 23rd 2009, 07:18 PMderfleurer
- Apr 23rd 2009, 07:24 PMMathventure
- Apr 23rd 2009, 08:02 PMNonCommAlg
- Apr 24th 2009, 05:48 AMJester
- Apr 24th 2009, 07:24 AMMathventureintegral problem...
- Apr 24th 2009, 07:30 AMmr fantastic
By making sure you integrate in an order that makes the problem tractable:

.

There is a world of difference between double integrals and single integrals.

(I can't resist adding that you should have asked danny "How on erf do you do it?" .... Memo to baldeagle: I am the funniest (Rofl)) - Apr 24th 2009, 08:42 AMJester