How do you convert $(-4, pi/3)$ to rectangular form?

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Answer 1 · 2016-05-03T16:00:54

$P_x=r*cos(pi/3)=-4*1/2=-2$

$P_y=r*sin(pi/3)=-4*0,866=-3,46$

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$P_x=r*cos(pi/3)=-4*1/2=-2$

$P_y=r*sin(pi/3)=-4*0,866=-3,46$

How do you convert (-4, pi/3) (-4, pi/3) to rectangular form?