Multiple Choice
What kind of curve is r(t) = (sin t) i +
(sin t) j + 2(cos t) k?
A) a circular helix
B) an oval plane curve that is, however, not an ellipse
C) an ellipse (but not a circle)
D) a circle
E) a parabola
Correct Answer:

Verified
Correct Answer:
Verified
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