Question

How to find the integral of tan^4(x)sec^2(x)(dx)

Answer 1

put u=tan x
du= .. ?

Answer 2

Sec^2x

Answer 3

(Dx)

Answer 4

so, after substituting u= tan x
what will be the new integral you get in terms of 'u' ?

Answer 5

U^4 (du)

Answer 6

can you evaluate that ?

Answer 7

(tan^5x)/5 +c

Answer 8

correct! good :)

Answer 9

find the derivative of sin[ln(cosx^3)]