文章裏提到了這個事情，裏麵一個 UK 教授說

來源: STEMkid 於 2024-10-30 11:43:47 [] [舊帖] [給我悄悄話] 閱讀數 : (479 bytes)

“Trigonometric functions are based on sine and cosine, which are expressed as ratios of certain lengths of a right-angled triangle. It’s quite easy to get into a circular argument, and what’s so appealing about this is they found a line of argument using sine and cosine that doesn’t assume Pythagoras is true,” he added.

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• Thank for your explanation. My apologies. -borisg- ♂ 給 borisg 發送悄悄話 borisg 的博客首頁 (0 bytes) () 10/30/2024 postreply 11:57:51

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