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

Question

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

Quizplus · Accepted Answer

The Answer of 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

What Kind of Curve Is R(t) = (Sin T)