正弦定理 Save Sign in to save words zhèngxiándìnglǐ ㄓㄥˋ ㄒㄧㄢˊ ㄉㄧㄥˋ ㄌㄧˇ law of sines Character by character 正(zhèng)straight 弦(xián)bow string 定(dìng)fix 理(lǐ)texture A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0