英數兩全字詞教學
103 三角函數 Trigonometric Function
- trigonometry 三角學
- trig functions 三角函數
- trigonometric functions 三角函數
- secant function 正割函數 \(\sec x\)
- radians 弧度量,弳
- phase shift 相位平移
- vertical asymptotes 鉛直漸近線
- graph of the cosine function \(\cos x\) 的函數圖形
- periodic functions of period two pi \(2\pi\) 週期函數
- the symmetric point about the origin 對稱於原點的點
- rotate 90 degrees counterclockwise around the origin 逆時針旋轉 \(90^\circ\)
- Tangent of x is π-periodic, it has π as smallest period. 正切函數是 \(\pi\) 週期函數。
- Tangent of x is a continuous function. 正切函數是連續函數。
- Tangent of x is not continuous on the real line.\(\tan x\) 不是實數上的連續函數。
- a mathematical modeling of periodic behaviors 週期性現象的數學模型