On the generalization of trigonometric identities in arithmetical paraphrasing
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List of trigonometric identities
Cosines and sines around the unit circle In mathematics, trigonometric identities are equalities that involve trigonometric functions and are true for every single value of the occurring variables. Geometrically, these are identities involving certain functions of one or more angles. They are distinct from triangle identities, which are identities involving both angles and side lengths of a tri...
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ژورنال
عنوان ژورنال: Bulletin of the American Mathematical Society
سال: 1930
ISSN: 0002-9904
DOI: 10.1090/s0002-9904-1930-05033-8