😃6.3 廣義角三角函數

https://www.geogebra.org/m/cs6SZPf9

https://www.geogebra.org/m/DStyEuTs#material/J2czZcvw

https://www.geogebra.org/m/uteKwe3Y

https://www.geogebra.org/m/fv8ddtaj

https://www.geogebra.org/m/FcwE2Kwu

https://www.geogebra.org/m/fmb6hygj

https://www.geogebra.org/m/GFpcecj9

https://www.geogebra.org/m/geZ4hED6#material/qdZhWjPt

https://www.geogebra.org/m/rugteqxp

特殊角的三角函數值 https://www.geogebra.org/m/BeVqyWeG

https://www.geogebra.org/m/fxeyx2jz