Question

integration question, putting it below

Answer 1

\[\int\limits_{0}^{\pi/4}x*\sec^2x dx\]

Answer 2

You need integration by parts.

Answer 3

thanks

Answer 4

Use "by parts) let u = x; dv = sec^2x

Answer 5

so du = dx and v = tan x

Answer 6

You should be able to complete "by parts" from here