Problems that require calculating the circumference using trigonometric functions make it important to consider angles in radians.
用三角函数求圆弧长度的问题中，把角度用弧度来考虑非常重要。
在利用三角函數求圓周長的問題中，將角度視為弧度非常重要。
삼각함수를 사용하여 원주의 길이를 구하는 문제에서는 각도를 라디안으로 생각하는 것이 중요하다.
Dalam soal yang menggunakan fungsi trigonometri untuk mencari panjang busur, penting untuk mempertimbangkan sudut dalam satuan radian.
Trong các bài toán sử dụng hàm lượng giác để tính độ dài chu vi của đường tròn, điều quan trọng là phải coi góc theo đơn vị radian.
Sa mga problemang gumagamit ng mga trigonometric function upang hanapin ang haba ng arko ng bilog, mahalagang isaalang-alang ang anggulo sa radian.
Quizzes for review
Problems that require calculating the circumference using trigonometric functions make it important to consider angles in radians.
Problems that require calculating the circumference using trigonometric functions make it important to consider angles in radians.
三角関数を使って円周の長さを求める問題は、角度をラジアンで考えることが重要だ。
Related words
円周
（ canonical ）
（ romanization ）
（ romanization ）
（ hiragana historical ）
（ hiragana ）
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