Multiple Choice
If we start at the point (1, 0) and travel once around the unit circle, we travel a distance of 2 π units and arrive back where we started at the point (1, 0) . If we continue around the unit circle a second time, we will repeat all the values of x and y that occurred during our first trip around. Use this discussion to evaluate the expression.
A)
B)
C)
D) -1
E) 1
Correct Answer:

Verified
Correct Answer:
Verified
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