Find the value of dy/dx at t = 0 for the parametric equations x = 4 sin (t), y = cos (2t).

Question

(10 points)

A) 1
B) 0
C) -1
D) undefined

Answer 1

dy/dx = (dy/dt) / (dx/dt) = -2sin(2t) / 4cost
at t=0, dy/dx = 0