你问的真多啊
p=4[cosacosπ/3+sinasinπ/3】
=2cosa+2v3sina
P^2=2pcosa+2v3psina
x^2+y^2=2x+2v3y
(x-1)^2+(y-v3)^2=4
圆心(1,v3)半径2
------------------------
(1,π/4),没给半径怎么算.
你问的真多啊
p=4[cosacosπ/3+sinasinπ/3】
=2cosa+2v3sina
P^2=2pcosa+2v3psina
x^2+y^2=2x+2v3y
(x-1)^2+(y-v3)^2=4
圆心(1,v3)半径2
------------------------
(1,π/4),没给半径怎么算.