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Calculus1 9 Online
OpenStudy (anonymous):

Integrate tan x

OpenStudy (anonymous):

Please help me from the bottom up here cause I am quite lost! Thanks!

geerky42 (geerky42):

well, this is something most calculus students had to memorize

geerky42 (geerky42):

but you can use u-sub: let u =cos x, so du = -sin x dx

OpenStudy (kainui):

This isn't something to really memorize. Just notice that tanx is really sinx/cosx and do a substitution.

OpenStudy (anonymous):

Bah! Of course! I meant tan 2A! I'll start a new question, thanks guys

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