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Mathematics 19 Online
OpenStudy (anonymous):

Find the rectangular coordinates of the point with the polar coordinates (8,3/2pi ).

OpenStudy (anonymous):

@jim_thompson5910

jimthompson5910 (jim_thompson5910):

same idea from last time x = r*cos(theta) y = r*sin(theta)

OpenStudy (anonymous):

so x is 0?

jimthompson5910 (jim_thompson5910):

yep

OpenStudy (anonymous):

and y is 8?

jimthompson5910 (jim_thompson5910):

nope

OpenStudy (anonymous):

-8!

jimthompson5910 (jim_thompson5910):

yep

jimthompson5910 (jim_thompson5910):

nailed it

OpenStudy (anonymous):

thanks!

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