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I think one answer for -5pi/ 3 would be pi/3 ???

 Feb 12, 2021
 #1
avatar+116125 
+3

-5pi/3   =   - 300°  =   360  - 300 =  60°  =  pi/3    (good  job!!!)

 

8pi/7  = a litle  more difficult....8pi/7 =  pi +  pi/7

 

Compare  to  22pi/7  =   14pi/7  +  8pi/7  =   2pi  + 8pi/7

 

So    8pi/7 =   22pi/7

 

 

cool cool cool

 Feb 12, 2021

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