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第四节
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第一章. 第四节. 基本初等函数. 一、幂函数. 二、指数函数. 三、对数函数. 四、三角函数. 机动 目录 上页 下页 返回 结束. 1、幂函数:. 性质:. 1 、当 a 为偶数 ,y 是偶函数 ; 图形关于 y 轴对称.. 2 、当 a 为奇数 ,y 是奇函数 ; 图形关于原点对称.. ( μ 为常数 ). 幂函数. 2、指数函数:. 性质:. 2 、不论 x 为何值 ,y 总为正数. 指数函数. 3、对数函数:. 性质:. 对数函数. 4、三角函数: 常用的三角函数. 定义域 值域 周期 奇偶性. 奇. 偶.
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第四节
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