Homework Statement
Find <lz> using \Psi, where \Psi=(Y11+cY1-1)/(1+c^2)).
Ylm are spherical harmonics, and <lz> is the angular momentum operator in the z direction.
Homework Equations
<lz> Ylm = hmYlm
The Attempt at a Solution
The brackets around <lz> are throwing me off...