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0
442
2
avatar

https://prnt.sc/s3053g

 Apr 21, 2020
 #1
avatar+7 
+1

aa 22 3 3  43  3 3 33  3

 Apr 21, 2020
 #2
avatar+23246 
+1

theta should be 5·pi/6

 Apr 21, 2020

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