10. Parametric Functions Flashcards
1
Q
Parametric equations
x = x(t), y = y(t)
A
…Can be used to locate a particle on the plane at various times t.
t – “parameter”
2
Q
Parametric equation of a circle
A
x = h + r•cos(t) y = k + r•sin(t)
⇒
(x – h)2 + (y – k)2 = r2