math - ellipses

No.11333710 ViewReplyOriginalReport
right, /sci/.
I've done and little here and there, and some high school math on the side, and determined that the internal angle inside and ellipse between any point on the ellipse and the two focal points CANNOT go under 14.7 degrees. Regardless of how long the major axis is.
prove me wrong. can you even though?

pic related.