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正弦、余弦函数的图象

正弦、余弦函数的图象. 正弦、余弦函数的图象 —— 解决的方法：利用三角函数线. 练习：利用五点法作出余弦函数在 [0, 2 ] 上的图象。. 正弦函数的五点法作图. 2. 1. x. o. -1. 例 1 、画出下列函数的简图。. 0. 五点法作图. 0. -1. 0. 1. 0. (1) 列表. 1. 2. 1. 0. 1. (2) 描点. (3) 连线. 再　见. 桃源一中数学组：张新宇 E-mail:tyyzzxy@tyyz.mail.com.cn.

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正弦、余弦函数的图象

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  1. 正弦、余弦函数的图象

  2. 正弦、余弦函数的图象——解决的方法：利用三角函数线正弦、余弦函数的图象——解决的方法：利用三角函数线

  3. 练习：利用五点法作出余弦函数在[0, 2 ]上的图象。 正弦函数的五点法作图

  4. 2 1 x o -1 例1、画出下列函数的简图。 0 五点法作图 0 -1 0 1 0 (1)列表 1 2 1 0 1 (2)描点 (3)连线

  5. 再　见 桃源一中数学组：张新宇 E-mail:tyyzzxy@tyyz.mail.com.cn

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