Wolfram Language & System 10.3 (2015)|Legacy Documentation
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rewrites products and powers of trigonometric functions in expr in terms of trigonometric functions with combined arguments.
- TrigReduce operates on both circular and hyperbolic functions.
- Given a trigonometric polynomial, TrigReduce typically yields a linear expression involving trigonometric functions with more complicated arguments.
- TrigReduce automatically threads over lists, as well as equations, inequalities and logic functions.
Introduced in 1996
(3.0)| Updated in 2007