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OpenStudy (anonymous):
what is (-5,pi/4) as rectangular coordinates?
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OpenStudy (anonymous):
you have r =-5, theta =pi/4 apply x = rcos theta y = r sin theta to get (x,y) done
OpenStudy (anonymous):
x=5(cos45)? right
OpenStudy (anonymous):
-5, not 5
OpenStudy (anonymous):
oops thanks :)
OpenStudy (anonymous):
ok
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