sin²30°+2sin60°+tan45°-tan60°+cos²30°

来源：学生作业帮助网编辑：六六作业网时间：2024/07/04 06:22:29

sin²30°+2sin60°+tan45°-tan60°+cos²30°sin²30°+2sin60°+tan45°-tan60°+cos²30°sin

sin²30°+2sin60°+tan45°-tan60°+cos²30°
sin²30°+2sin60°+tan45°-tan60°+cos²30°