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Mathematics 15 Online
OpenStudy (anonymous):

how i find this integral...

OpenStudy (anonymous):

?

OpenStudy (anonymous):

OpenStudy (anonymous):

1+tan^2 = (1/cos^2) does this help ?

OpenStudy (anonymous):

hmmm i will try

OpenStudy (anonymous):

4sinxcosx my answer ?

OpenStudy (anonymous):

inside the integral .. now you know how to integrate it ?

OpenStudy (anonymous):

yes i know...

OpenStudy (anonymous):

good :)

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