The parametric coordinate of any point of the parabola y² = 4ax is
A. (-at², -2at)
B. (-at², 2at)
C. (a sin²t, -2a sin t)
D. (a sin t, -2a sin t)
Answer:A
The parametric coordinate of any point of the parabola y² = 4ax is
A. (-at², -2at) B. (-at², 2at) C. (a sin²t, -2a sin t) D. (a sin t, -2a sin t)