You can find sin under the FUNCTIONS/FUNCS menu.
#Desmos graphing sine and cosine download
YOU WILL NEED TO DOWNLOAD DESMOS ONTO YOUR PHONE FOR THIS STEP Step 1: Type in 𝑎sin (𝑥). How does it affect the graph? The line 𝑦=𝑘 is ALWAYS the midline of the wave.Ĩ YOU WILL NEED TO DOWNLOAD DESMOS ONTO YOUR PHONE FOR THIS STEPĪmplitude Continued The amplitude of a wave comes from multiplying a number by 𝑦= sin 𝑥 or 𝑦= cos 𝑥. Step 2: Click the blue 𝑘 next to “add slider:” Step 3: Adjust 𝑘 as you like. YOU WILL NEED TO DOWNLOAD DESMOS ONTO YOUR PHONE FOR THIS STEP Step 1: Type in sin (𝑥) +𝑘.
Midline Continued The midline of a wave comes from adding a number to 𝑦= sin 𝑥 or 𝑦= cos 𝑥. The amplitude is the highest or lowest point of the wave measured from the midline.ħ YOU WILL NEED TO DOWNLOAD DESMOS ONTO YOUR PHONE FOR THIS STEP This spiral comes from moving the unit circle as the angle rotates.ĥ Here is another visual of how the unit circle produces waves.Ħ Midline and Amplitude The midline of a wave is the “center of the wave” or the line that cuts the wave in half. The blue curve is what it would look like on the floor. The red curve is what the shadow of spiral would look like on the wall. Imagine a flashlight shining a beam on the black spiral. We are going to study several things about them, but first we will answer, “Where do they come from?”Ĥ Imagine a flashlight shining a beam on the black spiral These are the graphs of 𝑦= sin 𝑥 and 𝑦= cos 𝑥. Presentation on theme: "7-6 Amplitude, Midline, and Period of Waves"- Presentation transcript:ġ 7-6 Amplitude, Midline, and Period of WavesĢ Before class begins, please download “Desmos Graphing Calculator” on your phone.
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