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RadEnBest ResponseYou've already chosen the best response.0
integration by parts it will work
 one year ago

RadEnBest ResponseYou've already chosen the best response.0
int (cscx)^3 = int (cscx)^2 cscx dx let u=cscx du=.... dv=(cscx)^2 dx v=int(cscx)^2 dx v=..... and next use parts rule : int(udv) = uvint(vdu)
 one year ago

RadEnBest ResponseYou've already chosen the best response.0
but i was stuck to find int(cscx) dx, @TuringTest ^^ lol
 one year ago

RadEnBest ResponseYou've already chosen the best response.0
i'm not sure int (cscx)dx = ln(sinx)
 one year ago

DirectrixBest ResponseYou've already chosen the best response.2
@RadEn OpenStudy values the Learning process  not the ‘Give you an answer’ process •Don’t post only answers  guide the asker to a solution. http://openstudy.com/codeofconduct
 one year ago

experimentXBest ResponseYou've already chosen the best response.0
\[ \int \csc ^3xdx = \int (1 + \cot^2 x) \csc x \; dx\]
 one year ago

jaersynBest ResponseYou've already chosen the best response.0
is there another trig identity i'm supposed to use? usubstitution isn't working
 one year ago

Jemurray3Best ResponseYou've already chosen the best response.0
There is something of a trick to this... try \[\int \frac{ \sin(x)}{\sin^2(x) } dx\]
 one year ago

jaersynBest ResponseYou've already chosen the best response.0
i'm not sure how you got that
 one year ago

jaersynBest ResponseYou've already chosen the best response.0
its not (cosx)^2 / (sinx)^3?
 one year ago

Jemurray3Best ResponseYou've already chosen the best response.0
I'm talking about integrating cosecant.
 one year ago

experimentXBest ResponseYou've already chosen the best response.0
use the same technique as used here http://en.wikipedia.org/wiki/Integral_of_secant_cubed
 one year ago
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