Guest Session: 1 Question Remaining.
Create Account
to save progress.
Login
Integrals
hard
0:00.0
What is
∫
0
π
/
2
cos
2
x
d
x
\int_0^{\pi/2} \cos^2 x dx
∫
0
π
/2
cos
2
x
d
x
?
A
π
/
2
\pi/2
π
/2
B
π
/
4
\pi/4
π
/4
C
1
1
1
D
0
0
0
Submit Answer