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Title: Trigonometric identities Post by: Deckz on Mar 11, 2019 Anyone knows what are the identity for multiple angles such as ;
Sin4Φ ? Need it badly .. Tia :) Title: Re: Trigonometric identities Post by: duddy on Mar 11, 2019 hi there
Use sum of angles identities https://m.youtube.com/watch?v=FfbT3TcZmKw so split 4phi into a sum then use |