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Math 30-1 (grade 12) Trigonometry

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To review grade 11 (Math 20-1) trigonometry click here.     Chemistry for Teens
Introduction to Trigonometry      
Trigonometric Equations      
Trigonometric Functions Transformations      
Trigonometric Identities      
Problem Solving      
Plotting trigonometrical functions
     

    

Trigonometry, Introduction

(back to Shortcuts...)

  Introduction
Trigonometry book online (PDF format - free download)
https://open.umn.edu/opentextbooks/textbooks/trigonometry-2014
     
  Understanding the Unit Circle


  Khan Academy - The Unit Circle
 
https://www.khanacademy.org/math/algebra2/trig-functions/unit-circle-definition-of-trig-functions-alg2/v/unit-circle-definition-of-trig-functions-1
The Unit Circle
 
https://www.mathsisfun.com/geometry/unit-circle.html
  Unit Circle Activity
(Desmos)

    

Trigonometric Equations

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  Solving Trigonometric Equations: Solving Trigonometric Equations
  - Trigonometric Equations
http://www.math30.ca/lessons/trigonometry/trigEquations/print/math30.ca_u5l1_trigEquations.pdf
press Ctrl F and search for "trig" on this page: https://sites.google.com/a/share.epsb.ca/math-2/home/math-30-1

  (PDF format)
Trigonometric Identities and Equations
Complex Numbers and Polar Coordinates
 
https://open.umn.edu/opentextbooks/textbooks/trigonometry
  Trigonometry Videos
(patrickjmt)
http://patrickjmt.com/?fbclid=IwAR265VtqO00CcOjPz2xWLq9KjIySfE0BfUUWDSfDwS48s8Tj4A56vQl3zQs#trigonometry
 

Once you've learned how to...

Convert Radians to Degrees, or Degrees to Radians

you can then use this utility.

     
 

(click on the images below to enter the solution)

 
  Ex. 1
  Ex. 2
  but what if instead of θ the parameter was  θ + π/2:

how would this change the solution? see answer here.
  Ex. 3
   
  Ex. 4
   
  Ex. 5
   
  Ex. 6
   
  Ex. 7
   
  Ex. 8
   
  Ex. 9
   
  Ex. 10
  Ex. 11
Ex. 4
Ferris Wheel Ex Suggestions https://docs.google.com/presentation/d/e/2PACX-1vRGmWiShnm_GE29yZ-w8RmwYHhLC8SdQGfPCHEQF4IT1R-WHvHyLT0srGjLiKJQv8BBB2MBfgz34lfs/pub?start=false&loop=false&delayms=3000

    

Trigonometric Functions Transformations

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Changing the Wave:
 Stretching, Compressing and Shifting the Sinus Wave
 

Activity:
Sinusoidal Function

Play with the parameters that influence the sinus function:

     

    

Trigonometric Identities

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Click here for trigonometrical formuls:

  See also Formula Sheet http://www.mathwords.com/t/trig_identities.htm
 
 
 
  Khan Academy
Trigonometrical Identities
https://www.khanacademy.org/math/precalculus/trig-equations-and-identities-precalc/using-trig-identities-precalc/v/examples-using-pythagorean-identities-to-simplify-trigonometric-expressions
 


  (PDF format)
Trigonometric Identities and Equations
Complex Numbers and Polar Coordinates
 
https://open.umn.edu/opentextbooks/textbooks/trigonometry
           direct link to PDF - scroll to page 248 to see solutions to identities.



  Trigonometric Identity Solver  https://www.symbolab.com/solver/trigonometric-identity-proving-calculator/
  Wolfram Trigonometric Identity Solver https://www.wolframalpha.com/widgets/view.jsp?id=72cb1c1b49019e6455450004363dfba5
 

Problem Solving

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Get the Formula From Data Points - p.1.

     
 

Get the Formula From Data Points - p.2.


 

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