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The integral of sin x over 0 to 2π is 0, but the area between the curve and the x-axis is
A2 sq units
B4 sq units
C0 sq units
D2π sq units
Answer & Solution
Correct answer: B. 4 sq units
The two halves have areas 2 and 2 with opposite signs in the integral, so the actual area is 2 + 2 = 4.
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