三角函数值,(要详细!!)
来源:学生作业帮 编辑:搜狗做题网作业帮 分类:数学作业 时间:2024/07/14 23:21:12
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![三角函数值,(要详细!!)](/uploads/image/z/18507660-60-0.jpg?t=%E4%B8%89%E8%A7%92%E5%87%BD%E6%95%B0%E5%80%BC%EF%BC%8C%EF%BC%88%E8%A6%81%E8%AF%A6%E7%BB%86%EF%BC%81%EF%BC%81%EF%BC%89)
解题思路: 根据题目条件,由三角函数的知识可求
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