Integrals help - Math Help Forum

$Math Help Forum$

$Go Back$		Math Help Forum > University Math Help > Calculus
$Reload this Page$ Integrals help

Download MHF Flyer

Mark Forums Read

$Reply$

#1

$Old$ November 1st, 2007, 09:13 PM

kriszhaha

Guest

Posts: n/a

$Post$ Integrals help

\int arctan(1/x)dx

how to solve this

$Reply With Quote$

Advertisement

#2

$Old$ November 1st, 2007, 09:19 PM

$Jhevon's Avatar$

Jhevon $Jhevon is offline$

vs Jhevon

Join Date: Feb 2007

Location: New York, USA

Posts: 11,044

Country:

Jamaica

Thanks: 2,607

Thanked 4,261 Times in 3,960 Posts

$Jhevon has a reputation beyond repute$ $Jhevon has a reputation beyond repute$ $Jhevon has a reputation beyond repute$ $Jhevon has a reputation beyond repute$ $Jhevon has a reputation beyond repute$ $Jhevon has a reputation beyond repute$ $Jhevon has a reputation beyond repute$ $Jhevon has a reputation beyond repute$ $Jhevon has a reputation beyond repute$ $Jhevon has a reputation beyond repute$ $Jhevon has a reputation beyond repute$

$Default$

Quote:

Originally Posted by kriszhaha $View Post$

\int arctan(1/x)dx

how to solve this

use integration by parts with u = arctan(1/x) and v' = 1

$Reply With Quote$

#3

$Old$ November 1st, 2007, 09:36 PM

$ThePerfectHacker's Avatar$

ThePerfectHacker

$ThePerfectHacker is offline$

Global Moderator

Join Date: Nov 2005

Location: New York City

Posts: 11,186

Country:

Soviet Union

Thanks: 482

Thanked 3,751 Times in 3,070 Posts

$ThePerfectHacker has a reputation beyond repute$ $ThePerfectHacker has a reputation beyond repute$ $ThePerfectHacker has a reputation beyond repute$ $ThePerfectHacker has a reputation beyond repute$ $ThePerfectHacker has a reputation beyond repute$ $ThePerfectHacker has a reputation beyond repute$ $ThePerfectHacker has a reputation beyond repute$ $ThePerfectHacker has a reputation beyond repute$ $ThePerfectHacker has a reputation beyond repute$ $ThePerfectHacker has a reputation beyond repute$ $ThePerfectHacker has a reputation beyond repute$

$Default$

Or you can use $\tan^{-1} \frac{1}{x} = \cot^{-1}x$ but leads to what Jhevon said.

__________________

To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

"Democracy has proved only that the best way to gain power
over people is to assure the people that they are ruling
themselves. Once they believe that, they make wonderfully
submissive slaves." - Joseph Sobran

To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

$Reply With Quote$

$Reply$

« fixed point mapping | Top | Derivatives and the Cauchy-Riemann equations »

Thread Tools
$Show Printable Version$ Show Printable Version $Email this Page$ Email this Page $Mark this thread as solved$ Mark this thread as solved
Display Modes
$Linear Mode$ Linear Mode $Hybrid Mode$ Switch to Hybrid Mode $Threaded Mode$ Switch to Threaded Mode

Posting Rules
You may not post new threads You may not post replies You may not post attachments You may not edit your posts BB code is On Smilies are On [IMG] code is On HTML code is Off Trackbacks are Off Pingbacks are Off Refbacks are Off

Forum Jump

All times are GMT -7. The time now is 11:06 PM.

your link here Sponsors

rv solar, e-learning,

Math Help Forum is a community of maths forums with an emphasis on maths help in all levels of mathematics.
Register to post your math questions or just hang out and try some of our math games or visit the arcade.