Question

The equations of two waves given as `x = a cos (omega t = delta)` and `y = a cos (omega t + alpha)`, where `delta = alpha + pi/2`, then resultant wave represent:
A. a circle (c.w)
B. A circle (a.c.w)
C. an Ellipse (c.w)
D. an ellipse (a.c.w)

Answer 1

Correct Answer - B