Chrome，
QQ浏览器
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![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)
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播放：23 时间：2024-06-19简介： -
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![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)
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