​
z
2
z
3
z
4
z
5
z
6
sin
ϕ
3

cos
ϕ
3

tan
ϕ
3

cot
ϕ
3

n
1
2
3
4
5

ϕ/3
log
ϕ
3

sinh
ϕ
3

cosh
ϕ
3

tanh
ϕ
3

coth
ϕ
3

plot range
0.5
1
π
2
π
2π
axes