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#1 2012-01-17 19:44:41
- Maiya
- Member
- Registered: 2011-08-11
- Posts: 124
Itegrals
what is the integral of square root of tanx dx,..............??
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#2 2012-01-17 19:45:43
- Maiya
- Member
- Registered: 2011-08-11
- Posts: 124
Re: Itegrals
plz help
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#3 2012-01-17 22:57:12
- anonimnystefy
- Real Member
- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
Re: Itegrals
hi Maiya
see if this helps:Wolfram's solution
Here lies the reader who will never open this book. He is forever dead.
Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.
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#4 2012-01-17 23:33:16
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Itegrals
Hi Maiya;
The physicists say use the substitution
but it is long and ugly from there. You might look here:
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
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#5 2012-01-18 03:47:03
- juantheron
- Member
- Registered: 2011-10-19
- Posts: 312
Re: Itegrals
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#6 2012-01-19 23:32:47
- Maiya
- Member
- Registered: 2011-08-11
- Posts: 124
Re: Itegrals
thank you guys that was a great help.......!!!!
thank u juantheron ; but isn't it supposed to be root 2 in the first part where u got the answer as
i+j=sin inverse of sinx-cosx
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#7 2012-01-23 20:15:14
- Maiya
- Member
- Registered: 2011-08-11
- Posts: 124
Re: Itegrals
why has j=sqrt cotx been considered ..............
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