2222221333101 -010011001100331111020000011)cot(11)(arctan 11arccos11)(arcsincotcsc)(csctansec)(seccsc)(cotsec)(tansin)(coscos)(sinln1)(log)(ln)()(0)()(00tan41arctan03113131313131)31 ()31 ()31 ()31 (2)1 ()11 (222arcsin2222arcsin2arcsin2arcsin11arctan/arcsin/sin/tanlimlimlimlimlimlimlimlimlimlimlimlimlimlimlimlim02xxarcxx xxxxxxxxxxxxxxxxxxaxxeeaaaaxxcaaaaaeexxxxxeennnnexexxx xx xxxxxxxxxaxxxxxanmmnnmnmxxxxxxxxxxxnxxnxnxxxxxxxxxx ） （导数 ）（）（）（）（ 解 求极限）（ 例解 求极限 例重要极限解 求极限 例重要极限极限01ln110sec2 x复合函数求导法则复合函数求导法则例例 4 4 设设dxdyeyx，求)sin(1 。解解 xxxxxxeexxeeeeeyx1121111 cos1)1(cos)(cos)(sin1