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roselinBest ResponseYou've already chosen the best response.0
derivative of tna is sec^2x
 one year ago

cinarBest ResponseYou've already chosen the best response.3
if tanx=u then what is tan^2x
 one year ago

cinarBest ResponseYou've already chosen the best response.3
then what is your new int. depends on only u
 one year ago

cinarBest ResponseYou've already chosen the best response.3
int. tan^2x Sec^2x dx sec^2xdx=du tan^2x=u^2
 one year ago

roselinBest ResponseYou've already chosen the best response.0
but i have one question though
 one year ago

cinarBest ResponseYou've already chosen the best response.3
they are the same thing but just different letter..
 one year ago

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

cinarBest ResponseYou've already chosen the best response.3
you can assume that x is just a constant in here..
 one year ago

roselinBest ResponseYou've already chosen the best response.0
okay,thanks. i have another problem, will you help me with that?
 one year ago

roselinBest ResponseYou've already chosen the best response.0
how do you decide which one is "U"?
 one year ago

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

roselinBest ResponseYou've already chosen the best response.0
derivative of sin theta = cos theta d theta
 one year ago

roselinBest ResponseYou've already chosen the best response.0
cos sqrt theta d theta
 one year ago

cinarBest ResponseYou've already chosen the best response.3
one more thing youre missing
 one year ago

cinarBest ResponseYou've already chosen the best response.3
derivative of sqrt theta
 one year ago

roselinBest ResponseYou've already chosen the best response.0
how did you get that half?
 one year ago

cinarBest ResponseYou've already chosen the best response.3
what is your new integral..
 one year ago

roselinBest ResponseYou've already chosen the best response.0
1/2 integral 1/sin sqrt theta +c?
 one year ago

cinarBest ResponseYou've already chosen the best response.3
in your case lnu+c put u back in
 one year ago

cinarBest ResponseYou've already chosen the best response.3
I gotta go, any question..
 one year ago

roselinBest ResponseYou've already chosen the best response.0
so,thats the ans ? after putting the u?
 one year ago

cinarBest ResponseYou've already chosen the best response.3
yes, ln(sin sqrt theta)+c is the answer..
 one year ago
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