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YES, WE CAN DERIVE THE FORMULAS FOR SIN(A+B), SIN(A-B), COS(A+B) AND COS(A-B) USING BASIC GEOMETRY... I'VE SEEN SOME GUY DO IT ON YOUTUBE. | image tagged in barack obama | made w/ Imgflip meme maker
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barack obama
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YES, WE CAN DERIVE THE FORMULAS FOR SIN(A+B), SIN(A-B), COS(A+B) AND COS(A-B) USING BASIC GEOMETRY... I'VE SEEN SOME GUY DO IT ON YOUTUBE.