INTEGRATION

ANS4
PLS EXPLAIN
And if u use that period of
sin^2(sinx) + cos^2(cosx)
is Pi/2,
pls explain it because i m not getting it isnt the period Pi
and not Pi/2?
Thanks

@ABCDMAABCDMA period in no pi/2 it is pi


@HarshalSolanki but if period is not pi/2, how did u write 2nd step?

@ABCDMAABCDMA applied property