joesmith1975
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- 2006
need help
the intergal of cos x /1-sin^2x dx
Thanks
the intergal of cos x /1-sin^2x dx
Thanks
Let u = tanx, then du=sec2x dxthen by use of ur method by subing in the trig. values then :-
the intergal of tan^3x.sec^2x dx would be
intergal of tan^3 x.tan^2 x+1 dx
Intergal of tan^5 x +tan^3 x dx
=tan^6 x/6 + tan^4 x/4 +C
which its the answer only tan^4 x/4 is the answer
method doesnt work.