View Compilation Error

0_0_21689076_19523.cpp: In member function 'std::pair<Point, Point> Circle::circleIntersectionCircle(Circle)':
0_0_21689076_19523.cpp:115:24: error: 'struct Point' has no member named 'rotate'
   return make_pair(p+v.rotate(cosT,-sinT),p+v.rotate(cosT,sinT));
                        ^
0_0_21689076_19523.cpp:115:47: error: 'struct Point' has no member named 'rotate'
   return make_pair(p+v.rotate(cosT,-sinT),p+v.rotate(cosT,sinT));
                                               ^