the arccos function is used to find the angle whose cosine is a given number.
反餘弦函數用於找出餘弦值爲給定數的角度。
in trigonometry, the arccos of 0.5 equals 60 degrees.
在三角學中，0.5的反餘弦等於60度。
to solve the equation, we need to calculate the arccos of the result.
要解這個方程，我們需要計算結果的反餘弦。
the arccos function is the inverse of the cosine function.
反餘弦函數是餘弦函數的反函數。
when using a calculator, make sure to switch to radians before finding the arccos.
使用計算器時，確保切換到弧度制再計算反餘弦。
the arccos value can help in determining angles in triangles.
反餘弦值可以幫助確定三角形中的角度。
in physics, the arccos function is often used in problems involving vectors.
在物理學中，反餘弦函數常用於涉及向量的問題。
understanding the arccos function is essential for advanced mathematics.
理解反餘弦函數對高級數學至關重要。
the graph of the arccos function shows its range and domain clearly.
反餘弦函數的圖形清晰地顯示了其範圍和定義域。
students often find the arccos function challenging when first learning trigonometry.
學生在學習三角學時，常常覺得反餘弦函數很有挑戰性。
the arccos function is used to find the angle whose cosine is a given number.
反餘弦函數用於找出餘弦值爲給定數的角度。
in trigonometry, the arccos of 0.5 equals 60 degrees.
在三角學中，0.5的反餘弦等於60度。
to solve the equation, we need to calculate the arccos of the result.
要解這個方程，我們需要計算結果的反餘弦。
the arccos function is the inverse of the cosine function.
反餘弦函數是餘弦函數的反函數。
when using a calculator, make sure to switch to radians before finding the arccos.
使用計算器時，確保切換到弧度制再計算反餘弦。
the arccos value can help in determining angles in triangles.
反餘弦值可以幫助確定三角形中的角度。
in physics, the arccos function is often used in problems involving vectors.
在物理學中，反餘弦函數常用於涉及向量的問題。
understanding the arccos function is essential for advanced mathematics.
理解反餘弦函數對高級數學至關重要。
the graph of the arccos function shows its range and domain clearly.
反餘弦函數的圖形清晰地顯示了其範圍和定義域。
students often find the arccos function challenging when first learning trigonometry.
學生在學習三角學時，常常覺得反餘弦函數很有挑戰性。
探索常見搜尋詞彙