sin²30°+2sin60°+tan45°-tan60°+cos²30°

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/29 03:54:47
sin²30°+2sin60°+tan45°-tan60°+cos²30°

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

sin²30°+2sin60°+tan45°-tan60°+cos²30°