cos(x)=-(1/8),πsin(x)=?tan(x)=?cot(x)= sec(x)= csc(x)=
问题描述:
cos(x)=-(1/8),πsin(x)=?
tan(x)=?cot(x)=
sec(x)=
csc(x)=
答
cos(x)=-(1/8),πsin(x)=?
tan(x)=?cot(x)=
sec(x)=
csc(x)=