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Sinusoidal Model Building Examples


 "How to Video" on how to build a trigonometric model from data


PDF of Assignment
Blank Graph Paper
Blank Tables
Blank Tables (WORD)
Suggestions

 Steps to Use Trigonometric Regression with Desmos
1) Enter Data into a table (this should be x1 y1 table if it is your first model)
2) type in function y=a*sin(bx+c)+d
3) This did not do anything
4) change = to tilde  ~ SHIFT BLUE BUTTON (see images below for where tilde is)
5) change x to x1 (name of x data list (unless you have multiple x lists))
6) change y to y1 (name of y data list (unless you have multiple y lists))
DONE this should perform sinusoidal regression for you


tilde looks like ~

​Tilde on keyboard is SHIFT ` 
​ (the button in blue) (the button to the left of 1)  (button below esc)

Picture
image source: ​https://www.computerhope.com/jargon/t/tilde.htm

Tilde on DESMOS keyboard is found on the QWERTY Keyboard page
1) Press ABC 
GREEN ARROW pointing qwerty keyboard TAB
​

Picture

​2) Press tilde button 
RED Arrow pointing to tilde button 
remember tilde looks like ~

Picture

 "How to Video" on how to use Desmos to build a trigonometric model from data
(this shows how to create a slider based document and a regression model)

Trigonometry and PreCalculus Additional Resources


Mr Hickman is available for assistance after school practically anytime.  Talk to me to be certain that I am aware you are coming and 99% of the time I will be able to help you