|3tan30°-1|-4（sin²60°-1）+∫2×cos45°

来源：学生作业帮助网编辑：六六作业网时间：2024/11/16 02:42:58

|3tan30°-1|-4（sin²60°-1）+∫2×cos45°|3tan30°-1|-4（sin²60°-1）+∫2×cos45°|3tan30°-1|-4（sin²

|3tan30°-1|-4（sin²60°-1）+∫2×cos45°
|3tan30°-1|-4（sin²60°-1）+∫2×cos45°

|3tan30°-1|-4（sin²60°-1）+∫2×cos45°
|3tan30°-1|-4（sin²60°-1）+∫2×cos45°
=|√ 3-1|-4（3/4 -1）+∫2×√ 2 /2
=√ 3 -1-3 +4+1
=√ 3 +1