你太牛了。话说我们当初学三角函数学过这个Unit Circle吗？好像直接画sin cos 曲线而已? 这边都画这个圆圈

来源: Bailey4321 于 2024-12-27 11:07:16 [旧帖] [给我悄悄话] 本文已被阅读：次

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