来自郭海丰的问题
sin(x)cos(x)tan(x)cot(x)sec(x)csc(x)arcsin(x)arccos(x)arctan(x)arccot(x)的定义域和值域分别是多少?及具体分析!
sin(x)cos(x)tan(x)cot(x)sec(x)csc(x)arcsin(x)arccos(x)arctan(x)arccot(x)的定义域和值域分别是多少?及具体分析!
1回答
2020-01-29 16:26