I have to prove that the integral of 1/(u^2+2) is tan^(-1)(u/sqrt(2)))/sqrt(2)

So far, I've been able to show that 1/(u^2+2) = 1/4(Θ +sin(Θ)cost(Θ)) where Θ=tan^(-1)(u/sqrt(2))

Any help would be appreciated

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- Aug 5th 2012, 10:22 AMGiestforlifeHelp with trigonometric integration
I have to prove that the integral of 1/(u^2+2) is tan^(-1)(u/sqrt(2)))/sqrt(2)

So far, I've been able to show that 1/(u^2+2) = 1/4(Θ +sin(Θ)cost(Θ)) where Θ=tan^(-1)(u/sqrt(2))

Any help would be appreciated

- Aug 5th 2012, 10:29 AMProve ItRe: Help with trigonometric integration