Graph the pair of parametric equations with the aid of a graphing calculator.x = 6 cos t + 2 cos 3t, y = 6 sin t - 2 sin3t, 0 ? t ? 2?
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the problem.Write parametric equations for the tangent line to the curve of intersection of the surfaces 
and 
at the point 
A. 
B. 
C. 
D. 
Mathematics
FInd the tangential and normal components of the acceleration.r(t) = 
(1 + t)3/2i + 
(1 - t)3/2j + 
tk
A. a = T + 
N
B. a = 
N
C. a = 
T
D. a = 
N
Mathematics
Classify the angle as acute, right, obtuse, or straight.
A. straight B. right C. acute D. obtuse
Mathematics
Find the limit algebraically.
A. 6 B. Does not exist C. 0 D. -6
Mathematics