Mathwords: Sum to Product Identities

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Sum to Product Identities

Trig identities which show how to rewrite sums and differences of sines or cosines as products.

Sum to Product Identities

See also

Product to sum identities

this page updated 15-jul-23
Mathwords: Terms and Formulas from Algebra I to Calculus
written, illustrated, and webmastered by Bruce Simmons
Copyright © 2000 by Bruce Simmons
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