加か法ほう定てい理りMeaningsNoun1. trigonometric addition formulasKanji used加add法law定define理logicComposed of加かaddition; CanadaNoun法ほう定ていlegal; designated by lawNoun理りreason; principle; logic; general principle (as opposed to individual concrete phenomenon); the underlying principles of the cosmos (in neo-Confucianism)Noun