By writing tan^n x as tan^(n-2).(sec^2 x - 1) obtain a reduction formula for Integral tan^n x dx.
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Originally Posted by osysequeira By writing tan^n x as tan^(n-2).(sec^2 x - 1) obtain a reduction formula for Integral tan^n x dx. therefore and you're expected to be able to solve the integral.
I think your reply has shown me how to solve the problem. Thank you.
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