Chapter 13 - Vector Functions - 13.1 Vector Functions and Space Curves - 13.1 Exercises - Page 894: 37

See explanation

To graph the curve $r(t)$ in Geogebra use: Curve(cos(2t), cos(3t), cos(4t), t, 0,pi ) Note that because the smallest argument for cosine here is $(2t)$ $2t = 2\pi$ $t=\pi$ The domain $0≤t≤π$ gives a full rotation. Less will cut off the curve and more will overlap.