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02π(sinx+|sinx|)dx is equal to

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a
0
b
4
c
8
d
1

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detailed solution

Correct option is B

∫02π (sin⁡x+|sin⁡x|)dx=∫0π (sin⁡x+sin⁡x)dx+∫π2π (sin⁡x−sin⁡x)dx=∫0π 2sin⁡xdx+∫π2π 0dx=2[−cos⁡x]0π+0=−2(cos⁡π−cos⁡0)=−2(−1−1)=4


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