dx
87. The velocity vector of a particle moving in the xy-plane has components given by
=
sin (²) and
dt
dy
COS
= ecos. At time 1 = 4, the position of the particle is (2, 1). What is the y-coordinate of the position vector at
dt
time 1 = 3 ?
(A) 0.410
(B) 0.590
(C) 0.851
(D) 1.410