일반수학및실습2-9.3절

2205 days 전, jhlee2chn 작성

예제 3.

var('t') f(t)=1+cos(t) polar_plot(f(t), (t, 0, 2*pi)) 
       
1/2*integral(f(t)^2, t, 0, 2*pi) 
       
3/2*pi
3/2*pi

예제 4.

var('t') f(t)=1+cos(t) p1=polar_plot(f(t), (t, 0, 2*pi)) p2=polar_plot(1, (t, 0, 2*pi), color='red') p1+p2 
       
1/2*integral(1^2-f(t)^2, t, pi/2, 3*pi/2) 
       
-1/4*pi + 2
-1/4*pi + 2