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Mathematics 16 Online
OpenStudy (anonymous):

Find the rectangular coordinates of the point with the polar coordinates. ordered pair negative 5 comma 5 pi divided by 3

OpenStudy (irishboy123):

do you mean (5.5, π/3) ??

OpenStudy (ribhu):

5/2, -(5sqrt3)/2

OpenStudy (anonymous):

\[(-5, 5\pi/3)\]

OpenStudy (anonymous):

@IrishBoy123 @ribhu

OpenStudy (ribhu):

so multiply by -1 in my answer

OpenStudy (ribhu):

-5/2, (5sqrt3)/2

OpenStudy (anonymous):

wait how'd you get that?

OpenStudy (ribhu):

r, theta = polar coo, rectangular rea rcos theta, r sintheta

OpenStudy (ribhu):

(rcos theta, r sintheta); r = -5 and theta = 300 degrees

OpenStudy (anonymous):

okay. now what?

OpenStudy (anonymous):

@ribhu

OpenStudy (irishboy123):

|dw:1425846167275:dw|adekker, shall we draw it?!

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