If we start at the point (1, 0) and travel once around the unit circle, we travel a distance of 2? 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
Answer: D
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.
What will be an ideal response?
Solve the problem.A rocket takes off in a path described by the equation src="https://sciemce.com/media/4/ppg__text0425191437__f1q37g6.jpg" alt="" style="vertical-align: -23.0px;" />
A. 900 km
B. 342 km
C. 297 km
D. 146 km
Find the distance traveled by the rocket for 
to 
(The length of arc s of a curve from 
to 
is
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Solve.Tanya borrows $3800 and agrees to pay it back in 3 years. If the simple interest rate is 8%, find the total amount she pays back.
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