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OpenStudy (anonymous):
Evaluate the integral. (Remember to use ln |u| where appropriate. Use C for the constant of integration.) integral 7 cos^2 x tan^3 x dx
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hartnn (hartnn):
write tan x = sin x/ cos x simplify put t= cos x
OpenStudy (anonymous):
7/4 (cos(2 x)-4 ln(cos(x)))+C ???
hartnn (hartnn):
correct!
OpenStudy (anonymous):
thanks.
hartnn (hartnn):
welcome ^_^
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