Find Parametric Equations For $C$ , If $C$ Is the Curve of Intersection of the Hyperbolic Paraboloid

Short Answer

Find parametric equations for $C$ , if $C$ is the curve of intersection of the hyperbolic paraboloid $z = y ^ { 2 } - x ^ { 2 }$ and the cylinder $x ^ { 2 } + y ^ { 2 } = 4$ oriented counterclockwise as viewed from above.