(3.4)James Stewart Calculus 5th Edition:Derivatives of Trigonometric Functions


Derivatives of Trigonometric Functions 三角函数的导数

对应的图像(sinx 和 对应导数的图像)

(3.4)James Stewart Calculus 5th Edition:Derivatives of Trigonometric Functions_第1张图片
具体证明

较复杂,略
(书上证明较严谨,比较长)
简单不太严谨证明,可见百度
http://baike.baidu.com/link?url=dhIeii7Sfgc4uicXPtzkAgZnl-QN3Np5gO6WJmd_-5V1hA0j2b6vrXkMXmeDKoM1jfOsbhvvMscm4_En0qRcLq

结论
(3.4)James Stewart Calculus 5th Edition:Derivatives of Trigonometric Functions_第2张图片

同理,可以得出:

(3.4)James Stewart Calculus 5th Edition:Derivatives of Trigonometric Functions_第3张图片

还有:

(3.4)James Stewart Calculus 5th Edition:Derivatives of Trigonometric Functions_第4张图片
Derivatives of Trigonometric Functions三角函数的导数
(3.4)James Stewart Calculus 5th Edition:Derivatives of Trigonometric Functions_第5张图片

例子:


过程:

(3.4)James Stewart Calculus 5th Edition:Derivatives of Trigonometric Functions_第6张图片

你可能感兴趣的:((3.4)James Stewart Calculus 5th Edition:Derivatives of Trigonometric Functions)