sin²30°+2sin60°+tan45°-tan60°+cos²30°
来源：学生作业帮助网 编辑：六六作业网 时间：2025/01/19 03:00:08
sin²30°+2sin60°+tan45°-tan60°+cos²30°sin²30°+2sin60°+tan45°-tan60°+cos²30°sin
sin²30°+2sin60°+tan45°-tan60°+cos²30°
sin²30°+2sin60°+tan45°-tan60°+cos²30°
sin²30°+2sin60°+tan45°-tan60°+cos²30°
1/4+√3+1-√3+3/4=2