sin(θ)的意思、翻譯和例句

是什麼意思

sin(θ) 是三角函數中的一個重要概念,表示一個角度 θ 的正弦值。正弦函數在直角三角形中定義為對於一個角 θ,對邊的長度與斜邊的長度之比。正弦函數的值範圍在 -1 到 1 之間,並且在圓的單位圓中也有其幾何意義。

依照不同程度的英文解釋

  1. The height of a triangle compared to its longest side.
  2. A way to measure angles in triangles.
  3. A function that helps find the height of a triangle.
  4. A ratio that relates an angle to the sides of a triangle.
  5. A mathematical function that gives the opposite side over the hypotenuse.
  6. A trigonometric function that represents the ratio of the length of the opposite side to the hypotenuse.
  7. A function used in trigonometry to calculate values based on angles.
  8. A key function in trigonometry that describes relationships in right triangles.
  9. A fundamental trigonometric function that is essential for solving problems involving angles.
  10. A mathematical expression that reveals the relationship between angles and sides in triangles.

相關英文單字或片語的差別與用法

1:Sine

用法:

正弦是三角函數的一種,通常用於解決與角度和三角形有關的問題。在數學和物理學中,正弦函數非常重要,因為它可以幫助我們理解波動、振動和周期性運動等現象。在計算中,正弦函數通常用於那些需要知道角度對應的邊長的情況。

例句及翻譯:

例句 1:

在直角三角形中,正弦值是對邊與斜邊的比率。

In a right triangle, the sine value is the ratio of the opposite side to the hypotenuse.

例句 2:

我們可以用正弦函數來計算這個角的對邊長。

We can use the sine function to calculate the length of the opposite side for this angle.

例句 3:

在物理學中,正弦函數用於描述波動的行為。

In physics, the sine function is used to describe the behavior of waves.