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04π|sinx|dx is equal to

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a
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b
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c
4
d
8

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detailed solution

Correct option is D

We know that, sin x is a periodic function of n.Hence,  ∫04π |sin⁡x|dx=4∫0π |sin⁡x|dx                                     =4∫0π sin⁡xdx=4[−cos⁡x]0π=8


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