y =0.176 e −1.25 t c o s 2.73 t −0.136π. 1. y =0.2667 e −2.4 t c o s 1.8 t −0.2957π. 2. y =0.224 e −2.1 t c o s 2.14 t −0.247π.
確定! 回上一頁