Projecting the Tangent Point of an Ellipse
Projecting the Tangent Point of an Ellipse
Let the tangent from a point on the axis to the ellipse with semimajor axis and semiminor axis touch at the point in the first quadrant. (The equation of the ellipse is /+=1.) Then the value of remains the same as changes.
A
x
a
b
P
2
x
2
a
2
y
2
b
x
P
b