Trigonometry, 8th edition
(a)
The parametric equations are and .
Draw a table for different values of .
Graph:
(1) Draw the coordinate plane.
(2) Plot the point obtained from the table.
(3) Connect the points to a smooth curve.
(b)
The parametric equations are and .
Consider .
Substitute in .
Rectangular equation of the curve is .
(a) Graph the parametric curve.
(b) Rectangular equation of the curve is .
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