Question

cos^2xdxintegration​

Answer 1

Step-by-step explanation:

Integration of Cos²x

Cos²x dx

( 1 + Cos2x )/2 dx

1/2 ( 1 + Cos2x ) dx

1/2 ( x + Sin2x/2 ) + C

x/2 + (Sin2x)/4 + C

Answer 2

Answer:

The integral of cos(2x) is (1/2)sin(2x) + C, where C is a constant.