- Traditional Chinese Character(HanT):
餘弦定理
- Simplified Chinese Character(HanS):
馀弦定理
- Bopomofo(Mandarin Phonetic Symbols): ㄩˊ ㄒㄧㄢˊ ㄉㄧㄥˋ ㄌㄧˇ (ㄩㄒㄉㄌ)
- Bopomofo(Zhuyin Keyboard Input/IME): m6vu062u/4xu3
- (ASCII) Hanyu Pinyin: "yuxiandingli" "Yu2Xian2Ding4Li3" "Yu2 Xian2 Ding4 Li3" (YXDL)
- (Latin) Hànyǔ Pīnyīn: YúXiánDìngLǐ [ Yú Xián Dìng Lǐ ]
- (英文翻譯) English Translation: "cosine theorem"
- (西語翻譯) Traducción Español: "teorema del coseno"
- (日文翻譯) 日本語翻訳: "余弦定理"