v 4.27
z
e
=
λ
2
2
π
√
sin
2
α
N
2
21
−
1
z
e
=
λ
2
2
π
sin
2
α
N
21
2
−
1
Close
Log in
Books
Repository
eAnswer
ePortfolio
Close
Log in
Books
Repository
eAnswer
ePortfolio
Log in
New user
OK
Error
Forgot?
Log in
Register
Recover
OK
Error
Change