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Mathematics 22 Online
OpenStudy (anonymous):

Find parametric equations for the arc of a circle of radius 9 from P=(0,0) to Q=(18,0). x(t)=... y(t)=... with ...<=t<=...

OpenStudy (anonymous):

hint: pick a point (x,y) on a circle, and express the (x,y) values in terms of an angle.

OpenStudy (anonymous):

use trig functions

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