Δ
n
,
n
+
1
=
2
h
cos
γ
Δ
n
,
n
+
1
=
2
h
cos
γ
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