函数(三角函数、向量的结合)
来源:学生作业帮 编辑:百度作业网作业帮 分类:数学作业 时间:2024/06/24 10:18:37
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![函数(三角函数、向量的结合)](/uploads/image/z/19715222-38-2.jpg?t=%E5%87%BD%E6%95%B0%28%E4%B8%89%E8%A7%92%E5%87%BD%E6%95%B0%E3%80%81%E5%90%91%E9%87%8F%E7%9A%84%E7%BB%93%E5%90%88%29)
解题思路: 对表达式进行化简便可得出 明确向量模的定义,
解题过程:
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最终答案:略
解题过程:
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最终答案:略