To find: The parametrization of the unit circle that traversed clockwise..
Answer to Problem 47E
The parametrization of the unit circle that traversed clockwise is:
Explanation of Solution
The unit circle means the radius of the circle is
The equation of unit circle with center at origin is:
The parametric coordinates of the curve is:
Recall
Substitute the parametric coordinate gives:
Which is a unit circle.
Here
The curve start from the point
Substitute
Further when
The circle completes for
The parametric equation of the circle is:
The circle can be traversed clockwise.
If start at
The option
Chapter 10 Solutions
Advanced Placement Calculus Graphical Numerical Algebraic Sixth Edition High School Binding Copyright 2020
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