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Mathematics 13 Online
OpenStudy (anonymous):

help me

OpenStudy (anonymous):

on wat???

OpenStudy (anonymous):

\[\int\limits \sin^2xdx\]

OpenStudy (anonymous):

o_O

OpenStudy (anonymous):

wht u mean?/

OpenStudy (hba):

Did you try to work it out ?

OpenStudy (anonymous):

yap

OpenStudy (hba):

What did you get ?

OpenStudy (anonymous):

\[1/2\int\limits dx-1/2\int\limits \cos2xdx\]

OpenStudy (hba):

Use sub i guess.

OpenStudy (anonymous):

how please idk

OpenStudy (hba):

I am sorry i am reading this http://www.geom.uiuc.edu/~banchoff/Flatland/ @ajprincess @shubhamsrg Please help him.

OpenStudy (shubhamsrg):

lol.. sure i'd try..

OpenStudy (shubhamsrg):

@mustry you know formulla for cos(2x) ?

OpenStudy (shubhamsrg):

in terms of sin xx

OpenStudy (shubhamsrg):

sin x *

OpenStudy (shubhamsrg):

ohh,,i didnt notice you already have done that far ! :P

OpenStudy (shubhamsrg):

sorry,my bad so your main problem is to integrate cos2x right ? why dont you let 2x =t ?

OpenStudy (anonymous):

okay ready done thankx much

OpenStudy (shubhamsrg):

hmm.. glad in case i could help! :)

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