\left\{\begin{array}{l} {x=3\sin t}\\{y=2\cos t}\end{array}\right.

请输入您的数学问题…… \left\{\begin{array}{l} {x=3\sin t}\\{y=2\cos t}\end{array}\right.

问题

{x = 3 sin (t) y = 2 cos (t)

重写参数方程

\frac{x ^{2}}{9} + \frac{y ^{2}}{4} = 1

显示解题方案

\frac{d y}{d x} = - \frac{2 sin ( t )}{3 cos ( t )}

显示解题方案