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Graph Features and Orientation for Parametric Curves
Grade Level
Calculus I
CAL1.151 Graph Features and Orientation for Parametric Curves
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For x=cos t and y=sin t on pi/4<=t<=9pi/4, which description is correct?
A
The unit circle is traced once clockwise, starting and ending at (sqrt(2)/2,sqrt(2)/2)
B
The unit circle is traced once counterclockwise, starting and ending at (sqrt(2)/2,sqrt(2)/2)
C
Only the first-quadrant arc is traced
D
The circle is traced twice counterclockwise
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