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Please help with this question. Thank you!

 Apr 19, 2019
 #1
avatar+100483 
+2

( 7 cos pi/2, 7sin pi/2 )  =

 

(  7 * 0 ,  7 * 1 )  =

 

(0 , 7)

 

 

cool cool cool

 Apr 19, 2019

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