Quandaries
and Queries
college student. need help with tough integral.
the integral of 2tan4xdx
or rewritten:
integral of 2(tanx)4 dx
Hi Nicole,
Use the trigonometric identity
1 + tan2x = sec2x
and write
tan4x = (tan2x)2 = (sec2x - 1)2 = sec4x - 2 sec2x + 1
Can you integrate this expression?
Penny