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## Main Question or Discussion Point

how do i integrate -- cosx/((sinx)^2 + 1) with respect to x

thanks for your help

thanks for your help

- Thread starter tmozam
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- #1

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how do i integrate -- cosx/((sinx)^2 + 1) with respect to x

thanks for your help

thanks for your help

- #2

arildno

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Set u=sin(x)

- #3

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oh wow , why didnt i think of that ?

thanks alot:surprised

thanks alot:surprised

- #4

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what is the integral of ∫ cosx/(sinx)^9 with respect to x.

i think this one is a bit challenging

i think this one is a bit challenging

- #5

nicksauce

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Just let u = sin(x) again...

- #6

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how about integral of 10^x with respect to x

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write [itex]10^x = e^{xln10}[/itex]

- #8

arildno

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Or, set u=10^x

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