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2/(-1 + Cot[x/2])


Integrate[1/(1 - Sin[x]), x] ==
2/(-1 + Cot[x/2])



              1
Integrate[----------, x] == 
          1 - Sin[x]

     2
-----------
         x
-1 + Cot[-]
         2

Time to compute: 0.02 second

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