The ellipse
72x2+52y2=1 can be drawn with parametric equations where
x(t) is written in the form
x(t)=rcos(t) with
r =
and y(t) =
[more..]
Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172
Enter DNE for Does Not Exist, oo for Infinity
Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c
Be sure your variables match those in the question