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FORMULA DERIVATION FOR PLANISPHERIC ASTROLABES The geo FORMULA DERIVATION FOR PLANISPHERIC ASTROLABES The geo

FORMULA DERIVATION FOR PLANISPHERIC ASTROLABES The geo - PDF document

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FORMULA DERIVATION FOR PLANISPHERIC ASTROLABES The geo - PPT Presentation

J L I R X K clearly X R tanK similarly J RItanK and also I R sinL similarly J R cosL also tanK J R I but X R tanK which thus makes X R J R I R R cosL R R sinL R cosL 1 sinL The above is the basis for almucanter projections ID: 58584

tan sin rete radius sin tan radius rete center cos angle circle altitude latitude point rotational almucanter dial deltacad

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