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What is ( -5, 2pi/3) converted into rectangular coordinates?

 Jun 22, 2017
 #1
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We have that  (x, y)  =  (r cos θ, r sin θ) =  (-5 cos (2pi/3) , -5 sin (2pi/3) )  =

 

( -5 (-1/2) ,  -5 √3/2)  =  [ 5/2 , -(5/2)√3 ]

 

 

cool cool cool

 Jun 22, 2017

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