trigonometric identity
[ˌtrɪɡ.ə.nə.ˈmɛt.rɪk aɪˈdɛn.tɪ.ti]
nounpl: trigonometric identities
identidade trigonométrica
1. An equation involving trigonometric functions that is true for all values of the variables involved
The Pythagorean identity sin²θ + cos²θ = 1 is one of the most fundamental trigonometric identities.
A identidade pitagórica sen²θ + cos²θ = 1 é uma das identidades trigonométricas mais fundamentais.
2. A mathematical relationship between trigonometric ratios that holds for all angles within its domain
Students learn various trigonometric identities to simplify complex expressions and solve equations.
Os alunos aprendem várias identidades trigonométricas para simplificar expressões complexas e resolver equações.
Trigonometric identities are fundamental concepts taught in high school and college mathematics curricula in both Brazil and the USA. In Brazil, they are typically introduced in the 'ensino médio' (secondary education), while in the USA they are covered in precalculus and trigonometry courses. These identities are essential for STEM education and are commonly tested in standardized exams like ENEM in Brazil.
Related Idioms & Phrases
prove a trigonometric identity
verify a trigonometric identity
solve using trigonometric identities
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