4. (10 points) Show that the angle between the unit tangent vector and the z-axis are...
3. (5 points) (a): Find parametric equations for the tangent line to the curve with the given parametric equations at the specified point. x=etcost, yr etsint, z=et; (1,0,1) (b): Find the unit tangent vector T, the principal unit normal N, and the curvature k for the space curve, r(t) =< 3 sint, 3 cost, 4t >.
(b): Find the unit tangent vector T, the principal unit normal N, and the curvature k for the space curve, r(t) =< 3 sint, 3 cost, 4t >.
12.3.8 Find the curve's unit tangent vector. Also, find the length of the indicated portion of the curve. r(t) = (5t sint+5 cos t)i + (5t cost-5 sint)j V2 sts2 The curve's unit tangent vector is (i+j+ K.
Q3. Find the unit tangent vector to the curve (t) t, 2,1 at the points where it cuts the plane 2x = z-y.
Q3. Find the unit tangent vector to the curve (t) t, 2,1 at the points where it cuts the plane 2x = z-y.
5. Find the unit tangent vector T(t), the unit normal vector Nt), and the curvature k(t) for the vector function r(t) = (3t, cost,-sint).
10. The group of rotation matrices representing rotations about the z axis by an angle a: -sin α 0 cos α R,(a)--| sin α cos α 0 can be viewed as a coordinate curve in SO(3). Compute the tangent vector to this curve at the identity. Similarly, find tangent vectors at the identity to the curves representing rotations about the a axis and about the y axis. Is the set of these three tangent vectors a basis for the tangent...
3. [-/10 Points] DETAILS SCALCET8 13.2.017. Find the unit tangent vector T(t) at the point with the given value of the parameter t. r(t) = - 3t, 1 + 4t, = { + t = 4 T(4) =
e.) What is the equation of the tangent plane to the function z = x2 + 4y2 at the point with x = 2, y = -1? [8 points) f.) For the curve through space F(t) =< sin(3t), cos(3t), 2t>, what is the unit tangent vector at t = 7/2? [8 points] g.) Starting from t= 0, reparameterize the curve r(t) = (1 - 2t) î +(-4+ 2t)ſ+(-3 – t)k in terms of arclength. [8 points]
(a) Find the unit tangent vector, T(t) and the unit normal vector, N(t), for the space curve r(t) cos(4t), sin(4t), 3t >. (b) From part (a), show that T(t) and N(t) are orthogonal
(a) Find the unit tangent vector, T(t) and the unit normal vector, N(t), for the space curve r(t) cos(4t), sin(4t), 3t >. (b) From part (a), show that T(t) and N(t) are orthogonal
26. What is the angle between the tangent to the curve R(t) = ti + 1?j + 2tk (Osts 3) and the normal to the surface z = 16 – x2 – y at their point of intersection?