For those who are curious, the integral of sin(x)/x does *not* need contour integration to be evaluated
Just needs a bit of creativity 
pic.twitter.com/0AxFSPWdyw
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It's because 1 + 1/3 + 1/5 + 1/7 + ... + 1/13 < 2, but 1 + 1/3 + 1/5 + ... + 1/15 > 2
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Can you help me understand the transition from line 1 to 2? Thx
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They are wrong.
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now this is just getting silly :)
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Mind blown with this thing about "15"? Where does go after 15?
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It's called Borwein integral.
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