English Dictionary

trigonometry

IPA（発音記号）

/ˌtɹɪɡəˈnɒmətɹi/

名詞

可算名詞 不可算名詞

(geometry, mathematical analysis) The branch of mathematics that deals with the relationships between the sides and angles of (in particular) right-angled triangles, as represented by the trigonometric functions, and with calculations based on said relationships.

日本語の意味

三角法：直角三角形などの三角形の辺と角の関係を研究し、三角関数などを用いて計算する数学の一分野

During the workshop, the professor demonstrated how trigonometry can determine the height of a tree without climbing it.

ワークショップで教授は、三角法を使って登らずに木の高さを測る方法を実演しました。

意味（1）

(geometry, mathematical analysis) The branch of mathematics that deals with the relationships between the sides and angles of (in particular) right-angled triangles, as represented by the trigonometric functions, and with calculations based on said relationships.

Trigonometry emerged in the Hellenistic world during the 3rd century BCE from applications of geometry to astronomy; the Greeks focused on the calculation of chords, while mathematicians in India created the earliest known tables of values for trigonometric functions such as sine.

trigonometries （ plural ）