Drexel dragonThe Math ForumDonate to the Math Forum



Search All of the Math Forum:

Views expressed in these public forums are not endorsed by Drexel University or The Math Forum.


Math Forum » Discussions » sci.math.* » sci.math

Topic: Integral calculation!
Replies: 4   Last Post: Mar 30, 2013 12:37 PM

Advanced Search

Back to Topic List Back to Topic List Jump to Tree View Jump to Tree View   Messages: [ Previous | Next ]
Roland Franzius

Posts: 433
Registered: 12/7/04
Re: Integral calculation!
Posted: Mar 30, 2013 10:35 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

Am 30.03.2013 15:22, schrieb José Carlos Santos:
> On 30-03-2013 10:11, Roland Franzius wrote:
>

>>> I need to calculate integral(0,pi/4) x.tan x dx.
>>>
>>> http://at.yorku.ca/cgi-bin/bbqa?forum=calculus;task=list

>>
>> int dx x tan x = x^2 tan x - int dx x^2/(1+x^2)=

>
> Wrong!
>

>> x^2 tan x - int dx ( 1 - 1/(1+x^2) )
>
>
> Best regards,
>
> Jose Carlos Santos
>


1 credit point!

--

Roland Franzius



Point your RSS reader here for a feed of the latest messages in this topic.

[Privacy Policy] [Terms of Use]

© Drexel University 1994-2014. All Rights Reserved.
The Math Forum is a research and educational enterprise of the Drexel University School of Education.