Definition of spherical harmonics in legendre polynomials

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Starting from the definition of the spherical harmonics in terms of Legendre polynomials, derive Y30(θ,φ), Y31(θ,φ), and Y32(θ,φ). Write down the differential operators corresponding to the L2 and Lz operators in spherical coordinates. By explicitly acting these operators on the spherical Harmonics check that spherical Harmonics are indeed eigen states of the L2 and Lz operators. What are their eigen values? Are these values consistent with what you expect from the bra-ket analysis?

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