Editor
Editor
 Sep 18, 2022
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The value of $\int_{0}^{\frac{\pi}{2}} \cos^{2}xdx$ is:
Difficulty: Easy
A: 
$\frac{\pi}{2}$
B: 
$\frac{\pi}{3}$
C: 
$\frac{\pi}{4}$
D: 
$\frac{-\pi}{3}$
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NETNUST Entry TestMathematicsIntegration