|

Integral Calculus

Cool goIITian

 Joined: 31 Mar 2012 Post: 81
3 Apr 2012 22:04:52 IST
0 People liked this
18
967
challenging question
Engineering Entrance , JEE Main , JEE Main & Advanced , Mathematics , Integral Calculus

integral of [1-(esinx)^2]^.5

Cool goIITian

Joined: 31 Mar 2012
Posts: 81
6 Apr 2012 19:41:15 IST
0 people liked this

no one can try it?????? :((

Blazing goIITian

Joined: 21 Mar 2012
Posts: 1457
6 Apr 2012 19:50:43 IST
0 people liked this

we know that e^-x=sinx so putt sinx=e^-x in ur question and get the answer

Cool goIITian

Joined: 19 Feb 2011
Posts: 68
6 Apr 2012 20:00:55 IST
0 people liked this

how can you say that e^-x = sinx

Blazing goIITian

Joined: 21 Mar 2012
Posts: 1457
6 Apr 2012 20:04:58 IST
0 people liked this

it is a formula check it

Blazing goIITian

Joined: 21 Mar 2012
Posts: 1457
6 Apr 2012 20:08:12 IST
0 people liked this

sorry sorry sorry that not one

Cool goIITian

Joined: 19 Feb 2011
Posts: 68
6 Apr 2012 20:10:45 IST
0 people liked this

please tell me how e^-x = sinx is it by complex number

Blazing goIITian

Joined: 21 Mar 2012
Posts: 1457
6 Apr 2012 20:13:54 IST
0 people liked this

no its wrong it is e^ix-e^-ix/2i=sinx

Cool goIITian

Joined: 19 Feb 2011
Posts: 68
6 Apr 2012 20:21:36 IST
0 people liked this

so that you told some time ago was wrong and the method of substitution in finding integral is wrong

Blazing goIITian

Joined: 21 Mar 2012
Posts: 1457
6 Apr 2012 20:22:26 IST
0 people liked this

yeh it was sorry 4 dat broo

Hot goIITian

Joined: 14 Feb 2012
Posts: 191
6 Apr 2012 20:30:41 IST
0 people liked this

i don thnk u can solve by tht substituion... plzz solve it tarun... m nt gettng it..

Cool goIITian

Joined: 31 Mar 2012
Posts: 81
7 Apr 2012 14:41:48 IST
0 people liked this

i tried soo much by substitution but not got the answer :((

Scorching goIITian

Joined: 18 Feb 2012
Posts: 264
14 Apr 2012 12:55:04 IST
0 people liked this

E is  elliptical integral of second kind ...4m were dd u gt it???

Cool goIITian

Joined: 19 Feb 2011
Posts: 68
14 Apr 2012 13:09:47 IST
0 people liked this

another way is that use the binomial expansion of (1-(esinx)Â²)^1/2 and then write esinx = Im (e^(1+ix)) and then integrate it

Cool goIITian

Joined: 19 Feb 2011
Posts: 68
14 Apr 2012 13:10:20 IST
0 people liked this

and by the way ronnie you should use your own tricks not of wolfram alpha tricks

Scorching goIITian

Joined: 18 Feb 2012
Posts: 264
19 Apr 2012 23:38:52 IST
0 people liked this

this is nt a trick......i read it 4m wolfram...gaining knowledge doesnt mean copying trcks......

Blazing goIITian

Joined: 21 Mar 2012
Posts: 1457
19 Apr 2012 23:54:46 IST
0 people liked this

Welfram alpha what is that could u pls explain

Cool goIITian

Joined: 31 Mar 2012
Posts: 81
9 May 2012 09:28:28 IST
0 people liked this

any 1 can u try dis?

Blazing goIITian

Joined: 8 May 2012
Posts: 466
10 May 2012 13:47:51 IST
0 people liked this

wolfram alpha tricks  what is it explain.

 Some HTML allowed. Keep your comments above the belt or risk having them deleted. Signup for a avatar to have your pictures show up by your comment If Members see a thread that violates the Posting Rules, bring it to the attention of the Moderator Team

## For Quick Info

Name

Mobile

E-mail

City

Class

Vertical Limit

Top Contributors
All Time This Month Last Week
1. Bipin Dubey
 Altitude - 16545 m Post - 7958
2. Himanshu
 Altitude - 10925 m Post - 3836
3. Hari Shankar
 Altitude - 10085 m Post - 2217
4. edison
 Altitude - 10825 m Post - 7804
5. Sagar Saxena
 Altitude - 8635 m Post - 8064
 Altitude - 6330 m Post - 1958

Physics

Topics

Mathematics

Chemistry

Biology

Institutes

Parents Corner

Board

Fun Zone