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OpenStudy (anonymous):
Integrate tan x
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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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