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OpenStudy (anonymous):
How to find the integral of tan^4(x)sec^2(x)(dx)
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hartnn (hartnn):
put u=tan x du= .. ?
OpenStudy (anonymous):
Sec^2x
OpenStudy (anonymous):
(Dx)
hartnn (hartnn):
so, after substituting u= tan x what will be the new integral you get in terms of 'u' ?
OpenStudy (anonymous):
U^4 (du)
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hartnn (hartnn):
can you evaluate that ?
OpenStudy (anonymous):
(tan^5x)/5 +c
hartnn (hartnn):
correct! good :)
OpenStudy (anonymous):
find the derivative of sin[ln(cosx^3)]
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