How to Proove that L+ = L1 + iL2

[Afrokatak]

Homework Statement

Hello All,

The professor asked us to prove that L+ = L1 + iL2,

Please Help!, I have no Idea how to proceed,

Any insight will be highly appreciated.

Homework Equations

L+ = L1+iL2=~he^iφ (∂/∂θ + i cotθ ∂/∂φ)

The Attempt at a Solution

L+ = L1+iL2=~he^iφ (∂/∂θ + i cotθ ∂/∂φ)
.

 

[Orodruin]

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