【正文】
tgα 180176。α sinα cosα tgα ctgα 180176。+α sinα cosα tgα ctgα 270176。α cosα sinα ctgα tgα 270176。+α cosα sinα ctgα tgα 360176。α sinα cosα tgα ctgα 360176。+α sinα cosα tgα ctgα xxa rth xxxa rc h xxxa rsh xeeeec h xsh xthxeec h xeesh xxxxxxxxx??????????????????????11ln21)1ln (1ln (:2:2:22)雙曲正切雙曲余弦雙曲正弦...59 04 571 82 81 8 28 )11(lim1s inlim 0???????exxxxxx和差角公式: 和差化積公式: 倍角公式: 半角公式: ??????????????????c o s1s i ns i nc o s1c o s1c o s12c o s1s i ns i nc o s1c o s1c o s122c o s12c o s2c o s12s i n??????????????????????c t gtg 正弦定理: RCcBbAa 2s ins ins in ??? 余弦定理: Cabbac c os2222 ??? 反三角函數(shù)性質(zhì): a r c c tg xa r c tg xxx ???? 2a r c c o s2a r c s i n ?? 高階導(dǎo)數(shù)公式 —— 萊布尼茲( Leibniz)公式: )()()()2()1()(0)()()(!)1()1(!2)1()(nkknnnnnkkknknnuvvuk knnnvunnvnuvuvuCuv???????????????????????? 中值定理與導(dǎo)數(shù)應(yīng)用: 2s in2s in2c o sc o s2c o s2c o s2c o sc o s2s in2c o s2s ins in2c o s2s in2s ins in????????????????????????????????????????????????????????????????c tgc tgc tgc tgc tgtgtgtgtgtg