(Solved): (1 point) Find parametric equations for the sphere centered at the origin and with radius 3 . Use t ...

(1 point) Find parametric equations for the sphere centered at the origin and with radius 3 . Use the parameters \( s \) and \( t \) in your answer. \[ \begin{array}{l} x(s, t)= \\ y(s, t)= \\ z(s, t)= \end{array} \] , and , where \[ \begin{array}{l} \leq s \leq \\ \leq t \leq \end{array} \] and