Report - x r cos , = ⋅ ϕ y r sin , = ⋅ ϕ z r ctg ; = ⋅ ϑ · az ( x, y, z ) derékszög ... z r sin ctg . = ⋅ ϑ ⋅ ϕ = ⋅ ϑ ⋅ ϕ = ⋅ ϑ ⋅ ϑ ( 10 ) M2. A 2. / G ábrán

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