Recent content by Masgr404

The function is not continuous at that particular point that makes the denominator go to zero. Perhaps we could rewrite in the complex plane?

Homework Statement Determine where r(t) is a smooth curve for -pi <t<pi R(t)= (x(t),y(t))=(4sin^3(t), 4cos^3(t)) Homework Equations The Attempt at a Solution To be honest I have no idea where to start. I know what a smooth function is but my understanding is that the sin(t) and...