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OpenStudy (anonymous):
Medal + Fan Help! Find the rectangular coordinates of the point with the polar coordinates (8, 3/2pi) How do you do this?
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OpenStudy (ddcamp):
polar (r, theta) to rectangular (x,y): x = radius×cos(theta) y = radius×sin(theta)
OpenStudy (anonymous):
can you walk me through it? I'm new to polar cord. @DDCamp
OpenStudy (ddcamp):
Yeah, no problem.
OpenStudy (anonymous):
would it be (0,-8)?
OpenStudy (ddcamp):
Normal (rectangular) coordinates give you a length along 2 axis (x and y): |dw:1378434545000:dw| But when you're given a polar coordinate, you have two parts, the radius from the center (r) and the angle (theta): |dw:1378434622209:dw|
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