What is the complete name for the group whose debut studio album was Tri-Angle?
Tri-Angle: Tri-Angle is the debut studio album by South Korean pop group TVXQ, released on October 11, 2004 by S.M. Entertainment. TVXQ: TVXQ (stylized as TVXQ!) TVXQ: , an initialism for Tong Vfang Xien Qi (), is a South Korean pop duo consisting of U-Know Yunho and Max Changmin.
Tong Vfang Xien Qi