What is the unit vector of: v: <-6, -8> ?
A<⅗, ⅘ >
B<-⅗, -⅘ >
C<⅘, ⅗ >
D<-⅘, -⅗ >
A<⅗, ⅘ >
B<-⅗, -⅘ >
C<⅘, ⅗ >
D<-⅘, -⅗ >