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roselin
 3 years ago
evaluate indefinite integrals
intergral tan^2x Sec^2x dx
roselin
 3 years ago
evaluate indefinite integrals intergral tan^2x Sec^2x dx

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roselin
 3 years ago
Best ResponseYou've already chosen the best response.0derivative of tna is sec^2x

cinar
 3 years ago
Best ResponseYou've already chosen the best response.3if tanx=u then what is tan^2x

cinar
 3 years ago
Best ResponseYou've already chosen the best response.3then what is your new int. depends on only u

cinar
 3 years ago
Best ResponseYou've already chosen the best response.3int. tan^2x Sec^2x dx sec^2xdx=du tan^2x=u^2

roselin
 3 years ago
Best ResponseYou've already chosen the best response.0but i have one question though

cinar
 3 years ago
Best ResponseYou've already chosen the best response.3they are the same thing but just different letter..

cinar
 3 years ago
Best ResponseYou've already chosen the best response.3dx or du they are just saying that you are taking int. depends on that variable

cinar
 3 years ago
Best ResponseYou've already chosen the best response.3you can assume that x is just a constant in here..

roselin
 3 years ago
Best ResponseYou've already chosen the best response.0okay,thanks. i have another problem, will you help me with that?

roselin
 3 years ago
Best ResponseYou've already chosen the best response.0how do you decide which one is "U"?

cinar
 3 years ago
Best ResponseYou've already chosen the best response.3because I can see that derivative sinx =cosxdx and it is above

roselin
 3 years ago
Best ResponseYou've already chosen the best response.0derivative of sin theta = cos theta d theta

cinar
 3 years ago
Best ResponseYou've already chosen the best response.3one more thing youre missing

roselin
 3 years ago
Best ResponseYou've already chosen the best response.0how did you get that half?

cinar
 3 years ago
Best ResponseYou've already chosen the best response.3what is your new integral..

roselin
 3 years ago
Best ResponseYou've already chosen the best response.01/2 integral 1/sin sqrt theta +c?

cinar
 3 years ago
Best ResponseYou've already chosen the best response.3in your case lnu+c put u back in

cinar
 3 years ago
Best ResponseYou've already chosen the best response.3I gotta go, any question..

roselin
 3 years ago
Best ResponseYou've already chosen the best response.0so,thats the ans ? after putting the u?

cinar
 3 years ago
Best ResponseYou've already chosen the best response.3yes, ln(sin sqrt theta)+c is the answer..
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