A hint to get started
Eliminate trigonometric parameters to identify an ellipse
Find the Cartesian equation of , , .
CJC · Lecture · Example 5
Divide each coordinate by its amplitude and use sin²+cos²=1.
A hint to get started
Find the Cartesian equation of x=8cosθ, y=4sinθ, 0≤θ≤2π.
CJC · Lecture · Example 5
Divide each coordinate by its amplitude and use sin²+cos²=1.