EasyPhysics
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\int(\cos(x/2)-\sin(x/2))^2dx = c = constant of integration
A
x + \cos x + c
B
2\cos^2(x/2) + c
C
(1/3)(\cos(x/2)-x/2)^3 + c
D
x - \cos x + c
Explanation
Optional explanation
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