alleryStart learning →Using cos^2 x = (1 + cos 2x)/2, the integral of cos^2 x over [0, pi] is
Api/2
B0
Cpi/4
Dpi
Answer & Solution
Correct answer: A. pi/2
The antiderivative x/2 + sin 2x/4 evaluated from 0 to pi gives pi/2.
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