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ifunfrank
 3 years ago
[AP Cal] Evaluate the following definite integral
ifunfrank
 3 years ago
[AP Cal] Evaluate the following definite integral

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ifunfrank
 3 years ago
Best ResponseYou've already chosen the best response.0\[\int\limits_{0}^{\frac{ \pi }{ 6 }}\cos 3xdx\]

MarcLeclair
 3 years ago
Best ResponseYou've already chosen the best response.0do you really need to use substitution here O_O?

MarcLeclair
 3 years ago
Best ResponseYou've already chosen the best response.0oh nvm me hes right

ifunfrank
 3 years ago
Best ResponseYou've already chosen the best response.0so do i use substitution method?

him1618
 3 years ago
Best ResponseYou've already chosen the best response.13x=t 3dx=dt dx=dt/3 that makes it 1/3 x cost dt

ifunfrank
 3 years ago
Best ResponseYou've already chosen the best response.0okay, i set 3x = u, now?

ifunfrank
 3 years ago
Best ResponseYou've already chosen the best response.0where is the x before cost coming from?
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