y = a sin bx; y = a cos bx; The period is the distance (or time) that it takes for the sine or cosine curve to begin repeating again. Graph Interactive - Period of a Sine Curve. Here's an applet …

两角和公式 sin(A+B) = sinAcosB+cosAsinB sin(A-B) = sinAcosB-cosAsinB cos(A+B) = cosAcosB-sinAsinB cos(A-B) = cosAcosB+sinAsinB tan(A+B) = (tanA+tanB)/(1-tanAtanB) tan(A-B) = …

2023年3月14日 · Identify the vertical and horizontal translations of sine and cosine from a graph and an equation. Calculate the amplitude and period of a sine or cosine curve. Calculate the …

罗贝瓦尔 (G.P.de.Roberval)于1634年在研究旋轮线时，把正弦型曲线y=a sin(x/a)(其中a是母圆的半径)当做旋轮线的伴侣而引入数学的。

1、在y=Asin (ωx+φ)中，A称为 振幅；ωx+φ称为相位；x=0时的相位（ωx+φ=0+φ=φ）称为 初相。 2、有具体的函数就可以求。 y是x的函数，A、ω、φ是定值。 相位和初相是正弦函数中的 …

Let’s start with an investigation of the simpler graphs of y = A sin(Bx) and y = A cos(Bx). What affect does the value A have on the graph? y = A sin(Bx) or y = A cos(Bx) A number in front of …

Sin (x) oscillates, or goes back and forth, between its maximum and minimum value. The amplitude of the graph is the maximum height the graph reaches from the x-axis. The period is …

2024年4月12日 · Draw the graph of \(f(x)=A\sin(Bx)\) or \(f(x)=A\cos(Bx)\) shifted to the right or left by \(\dfrac{C}{B}\) units and up or down by \(D\) units. Example \(\PageIndex{7a}\): Graph a …

The general form is y = A sin Bx where |A| is the amplitude and B determines the period. For the functions sin, cos, sec and csc, the period is found by P = 2π/B Example:

Any cosine function can be written as a sine function. y = A sin (Bx) and y = A cos (Bx). The number, A, in front of sine or cosine changes the height of the graph. The value A (in front of …