타원의 두 접선이 수직이 될 때 교점의 자취(Trace of intersection when two tangents of an ellipse are perpendicular)

pdf	:	https://min7014.github.io/2022/2022060401.pdf
AlgeoMath	:	http://me2.do/xdA4g5Pk
자료영상(YouTube)	:	https://youtu.be/gOYXSrc9TsI
Geogebra Tube	:	https://www.geogebra.org/m/xm3pv5pc
NFT	:	https://opensea.io/assets/klaytn/0x9faccd9f9661dddec3971c1ee146516127c34fc1/1935144805
고유번호	:	math20220604001
수정날짜	:	20220609
제작날짜	:	20190205
고유주소	:	https://min7014.github.io/math20220604001.html

알림 (Notice)