무제

2128 days 전, godmsdl66 작성

var('t') f(t)=1/t df(t)=diff(f(t), t) sl(t)=(f(t)*cos(t)+df(t)*sin(t))/(-f(t)*sin(t)+df(t)*cos(t)) t=pi sl(t) 
       
-pi
-pi