치환적분 1 24번

1887 days 전, leehjphysics 작성

f(t)=1/(cos(t)^2)*(sqrt(1+tan(t))) integral(f(t),t) 
       
2/3*(tan(t) + 1)^(3/2)
2/3*(tan(t) + 1)^(3/2)