# TrigFactorList

TrigFactorList[expr]

factors trigonometric functions in expr, yielding a list of lists containing trigonometric monomials and exponents.

# Examples

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## Basic Examples(2)

Give a list of factors of a trigonometric expression:

Give a list of factors of a hyperbolic trigonometric expression:

## Scope(4)

Compute the factors of a univariate trigonometric expression:

Compute the factors of a univariate hyperbolic trigonometric expression:

Compute the factors of a multivariate trigonometric expression:

Compute the factors of a rational combination of trigonometric functions:

## Applications(2)

Show that a trigonometric expression is a perfect square:

Compute the factors and note that the constant factor is positive:

Extract the exponents of nonconstant factors:

Check that every factor has an even exponent and thus is a square:

Compute a common divisor of two trigonometric expressions:

Find the common factors:

Wolfram Research (1996), TrigFactorList, Wolfram Language function, https://reference.wolfram.com/language/ref/TrigFactorList.html.

#### Text

Wolfram Research (1996), TrigFactorList, Wolfram Language function, https://reference.wolfram.com/language/ref/TrigFactorList.html.

#### CMS

Wolfram Language. 1996. "TrigFactorList." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/TrigFactorList.html.

#### APA

Wolfram Language. (1996). TrigFactorList. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/TrigFactorList.html

#### BibTeX

@misc{reference.wolfram_2022_trigfactorlist, author="Wolfram Research", title="{TrigFactorList}", year="1996", howpublished="\url{https://reference.wolfram.com/language/ref/TrigFactorList.html}", note=[Accessed: 10-June-2023 ]}

#### BibLaTeX

@online{reference.wolfram_2022_trigfactorlist, organization={Wolfram Research}, title={TrigFactorList}, year={1996}, url={https://reference.wolfram.com/language/ref/TrigFactorList.html}, note=[Accessed: 10-June-2023 ]}