Find a Rectangular Equation for the Plane Curve Defined by the Parametric

question 321

Multiple Choice

Find a rectangular equation for the plane curve defined by the parametric equations.
- $$x = \sin t , y = 3 \cos t$$

• A) \(x ^ { 2 } + 9 y ^ { 2 } = 1\)
• B) \(9 x ^ { 2 } + y ^ { 2 } = 9\)
• C) \(x ^ { 2 } + 9 y ^ { 2 } = 9\)
• D) \(9 x ^ { 2 } + y ^ { 2 } = 1\)