Last Updated
：2026/01/04
三角関数
Hiragana
さんかくかんすう
Noun
Japanese Meaning
三角比や三角形の角度と辺の長さの関係を表す関数。正弦（サイン）、余弦（コサイン）、正接（タンジェント）など。 / 三角関数全般を扱う数学分野を指すこともあるが、通常は個々の関数そのものを指す。
Easy Japanese Meaning
さんかくのかくからたかさやながさをだすときにつかうかずのきまり
Chinese (Simplified) Meaning
三角函数 / 三角学中的函数，如正弦、余弦、正切
Chinese (Traditional) Meaning
三角學中的函數 / 以角為自變數，描述角與邊長之關係的函數
Korean Meaning
삼각형의 각과 변의 관계를 나타내는 함수 / 각도를 변수로 하는 주기적 함수
Vietnamese Meaning
hàm lượng giác / hàm số trong lượng giác (như sin, cos, tan…) / hàm liên hệ góc với tỉ số các cạnh tam giác
Tagalog Meaning
punsiyong trigonometriko / punsiyong tumutukoy sa ugnayan ng mga anggulo at proporsyon ng mga panig ng tatsulok
Sense（1）
(trigonometry) a trigonometric function
（ canonical ）
（ romanization ）
（ romanization ）
（ hiragana historical ）
（ hiragana ）
Quizzes for review
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三角関数
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Trigonometric functions are one of the basic concepts in mathematics.
Trigonometric functions are one of the basic concepts in mathematics.
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三角関数は数学の基本的な概念の一つです。
Japanese - English
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