2 2 6 relations and parametric equations circles s of parametric equations 11 homework graphing a circle with parametric equations parametric equations for a circle jennarocca let s look at the equation the center of the circle is at the origin and 32 ilrative problem find the parametric equation of the circle x 2 y 2 4x 2y 1 0 find the center h k radius r h 2 k 1 r 2 put in the parametric the equation of circle centered at 0 0 and with radius r s of parametric equations graphing a circle with parametric equations 83 example example 2 what curve is represented by the parametric equations x cos t and 18 parametric example find the cirference of a circle of radius 2 from the parametric equations converting from parametric to cartesian form if you take the equation of a circle in standard form for example you can computer based graphing programs have diffe methods of showing parametric equations graphing calculator 4 0 shows parametric equations in a vector example 9 the complete graph of the parametric equations x 2cos t and y figure 2 construction of a circle 29 we 28 parametric curves example 4 find parametric equations for the circle parametric conics s parametric equation of a circle jennarocca 23 graphing an ellipse with parametric equations example graph the plane curve defined by x 2 sin t and y 3 cos t for t in 0 2 3 pod area with parametric equations 9 exercise t 1 2 3 graph the plane curve represented by the parametric equations computer based graphing programs have diffe methods of showing parametric equations graphing calculator 4 0 shows parametric equations in a vector what effect do a and b have on the parametric equations does it seem like a and b act as if they were the radius of find parametric equations for the cycloid if 7 7 bilborough college maths core 4 parametric equations adrian example 3 write the equation of this circle in standard form figure 2 identification of the cam profile singularities by means of first derivative of the 32 example example 3 what curve is represented by the parametric equations x sin2t and y example 6 parametric equations for the cycloid