Chrome，
QQ浏览器
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
![三角函数的图像变换＆五点作图法[三角函数8]](//imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2F836ea605771b20d6fb79bc8c6fd8c1ecc8f85e6c.jpg%40672w_378h_1c_%21web-search-common-cover)
-
-
-
-
-
-
-
-
-
-
播放：7 时间：2024-06-19简介：
.
![三角函数的图像变换＆五点作图法[三角函数8]](http://imgshow.1ydt.com/img?url=%2F%2Fi1.hdslb.com%2Fbfs%2Farchive%2F836ea605771b20d6fb79bc8c6fd8c1ecc8f85e6c.jpg%40672w_378h_1c_%21web-search-common-cover)
.