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Mimi_x3
 3 years ago
Just for fun. :)
\[\int_{0}^{\pi/2}xcot(x)dx\]
Mimi_x3
 3 years ago
Just for fun. :) \[\int_{0}^{\pi/2}xcot(x)dx\]

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hartnn
 3 years ago
Best ResponseYou've already chosen the best response.1is the answer \(\pi^3\)/24 ???

Mimi_x3
 3 years ago
Best ResponseYou've already chosen the best response.3It cannot be that easy!!

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.1oh, yes... \(I=\int_{0}^{\pi/2}x\cot(x)dx \\I=\int_{0}^{\pi/2}(\pi/2x)\tan(x)dx\) now multiply both equations to eliminate trignometric function

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.1hba, your answer is correct.

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.1did u integrate by parts

Mimi_x3
 3 years ago
Best ResponseYou've already chosen the best response.3Soryy!! Faster than expected!! I think @hba cheated :)

hba
 3 years ago
Best ResponseYou've already chosen the best response.0Some one else solved it for me.

Mimi_x3
 3 years ago
Best ResponseYou've already chosen the best response.3It was obv :P impossible to solve it in a couple of seconds.

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.1oh, the catch was to add, not multiply :P hba, wolf.

hba
 3 years ago
Best ResponseYou've already chosen the best response.0@Callisto Why did you not comment ?

Callisto
 3 years ago
Best ResponseYou've already chosen the best response.1My comment... @hartnn @Mimi_x3 ♥♥♥
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