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welshfella
 one year ago
Integrate cot x csc^2x dx
welshfella
 one year ago
Integrate cot x csc^2x dx

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welshfella
 one year ago
Best ResponseYou've already chosen the best response.3I'm trying the substitution u = cot x and using the identity csc^2 x = 1 + cot^2 x

welshfella
 one year ago
Best ResponseYou've already chosen the best response.3hold on its cot^x = 1 + csc^2 x right?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[\int\limits_{}^{}\cot x \csc ^2x dx=\int\limits_{}^{}\frac{ cosx }{ \sin^3x }dx\]

welshfella
 one year ago
Best ResponseYou've already chosen the best response.3and how would you proceed from there?

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2if u = cot(x) what is du?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0u sub\[u=\sin x\]\[du=\cos x dx\]\[dx=\frac{ 1 }{ \cos x }\]

welshfella
 one year ago
Best ResponseYou've already chosen the best response.3thats where i got stuck

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2i recall D[tan(x)] = sec^2(x) D[cot(x)] = csc^2(x)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[\int\limits_{}^{}\frac{ \cos x }{ u^3 }\frac{ 1 }{ \cos x }du\]

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2\[\int cot(x)~csc^2(x)~dx\implies \int u~du\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ya wanna take over am?

welshfella
 one year ago
Best ResponseYou've already chosen the best response.3ah  i was using ln sin x instead of csc^2 x i can see it now

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2take over? nah, just a perspective :)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0heh i have my own problems to solve too actually, not working too well

amistre64
 one year ago
Best ResponseYou've already chosen the best response.2welsh is a smart fella :)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0but i cant put it here cause it doesnt belong to maths

welshfella
 one year ago
Best ResponseYou've already chosen the best response.3yes I see it now thanks for your help

welshfella
 one year ago
Best ResponseYou've already chosen the best response.3I looked up the integral instead of the derivative!!!! that wasn't so smart!!!

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0lol that happens alot

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0engineering department seems dead
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