Solving \int tan^{4}(x)dx Without a Table

TromboneNerd · 2010-05-11T15:38:36+00:00

how can i use u substitution to solve \int tan^{4}(x)dx? I am not allowed to use a table, so i can't use the \int tan^{n}(u)du formula. I have no work since i can't even make it fit \int udu. help?

Thread starter TromboneNerd
Start date May 11, 2010
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1 reply · 2K views · last reply May 11, 2010

TromboneNerd

Thread starter
May 11, 2010

how can i use u substitution to solve [tex]\int tan^{4}(x)dx[/tex]?

I am not allowed to use a table, so i can't use the [tex]\int tan^{n}(u)du[/tex] formula. I have no work since i can't even make it fit [tex]\int udu[/tex]. help?

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Cyosis

Homework Helper

May 11, 2010

Use the identity [itex]1+\tan^2x=\sec^2x[/itex].

Solving \int tan^{4}(x)dx Without a Table

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