Enlist all formulae related to
Trigonometry like Allied angles, Compound Angles, Multiple and Sub-Multiple angles, Sine and Cosine formulae for any triangle.
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Sine, cosine, and tangent of multiple angles[edit]. For specific multiples, these follow from the angle addition formulae, while the general formula was given ...
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In mathematics, trigonometric identities are equalities that involve trigonometric functions and are true for every value of the occurring variables for which both sides of the equality are defined. Geometrically, these are identities involving certain functions of one or more angles. They are distinct from triangle identities, which are identities potentially involving angles but also involving side lengths or other lengths of a triangle.
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