For the following exercises, use the parametric equations for integers a and b: x(t)=acos((a+b)t) y(t)=acos((a b)t) Graph on the domain [,0], where a=2 and

For the following exercises, use the parametric equations for integers a and b:

x(t) = acos((a + b)t) y(t) = acos((a − b)t)

Graph on the domain [−π,0], where a = 2 and b = 1, and include the orientation.