s su: Wikipedia. p ji: 35. zh ng: s n ji o f, pitagorasuno ding l, s n ji o gu n shu, oir no g ng shi, zhi ji o s n ji o xing, rajian, s n ji o gu n shuno g ng shino y l n, ji o du, yu xian ding l, s n ji o shu, zheng xian b, qiu mian s n ji o f, da qu nk su, s n ji o xingno nei ji yuanto bang ji yuan, zheng xian ding l, zheng s n ji o xing, heronno g ng shi, oir xian, s n ji o bu d ng shi, er d ng bi n s n ji o xing, xie bi n, zhi ji o er d ng bi n s n ji o xing, qiu mian j he xue, s n ji o ding gu, lin bi n. ba cui: s n ji o gu n shuno g ng shi (sankakukansuunokoushiki)ha ji o duni gu nwarazu chengri litsu s n ji o gu n shuno heng d ng shidearu kono ji shi neide ji oha yuan zetoshite a, v, g, th toittagirisha wen zika xwo sh yongsuru ji o duno d n weitoshiteha yuan zetoshiterajianwo yongiruga duwo yongiru ch ng hemoaru 1zh u = 360du = 2rajian zh na ji o duno dutorajianno zhiha y xianoyouninaru ji shi neideha zh nirajianwo sh yongshi duno ch ng heniha bie jisuruka duwo shisu ji hao ( )wo fu jisuru zuimo j b n dena gu n shuha zheng xian gu n shu (sain sine)to yu xian gu n shu (kosain cosine)dearu koreraha sin(th), cos(th) matahakakkowo eshite sin th, cos th to ji shusareru th ha dui xiangtonaru ji ono dakisadearu zheng xian gu n shuto yu xian gu n shuno b wo zheng ji gu n shu (tanjento tangent)toiu ju t deniha y xiano shide bi osareru shang ji3gu n shuno ni shu gu n shuwo yu g gu n shu (kosekanto cosecant) zheng g gu n shu (sekanto secant) yu ji gu n shu (kotanjento cotangent)toiu yu g gu n shuno e ch ngniha cosec to csc no2zh ng leigaaruga kono ji shideha csc wo sh yongsuru s n ji o gu n shuno ni gu n shuwo ni s n ji o gu n shutoiu ri b n y nioiteha ni zheng xian gu n shunoyouni touni ni wo fukete h bu shi zh ngdeha sin noyouni -1cheng wo fukeruka asin, arcsin noyouni"a"mataha"arc"wo fukeru s n ji o gu n shuha zh u q gu n shunanode ni gu n shuha du si gu n shudearu ni gu n shuno xing zhikara y xiaga chengri litsu kono j...