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Page 1: Show 4: Teaching Trigonometry - Show Notes · 2018. 5. 1. · Show 4: Teaching Trigonometry Show Notes 2 February 20, 2012 Sep 501:46 PM 1.Approaches to teaching trigonometry Investigative

Show 4: Teaching Trigonometry ­ Show Notes

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February 20, 2012

Jan 30­12:25 PM Sep 5­01:46 PM

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Trigonometry

1. Approaches to teaching trigonometry

2. What's new for Grade 10 ( CAPS)?

3. Progression and links to other topics

Page 2: Show 4: Teaching Trigonometry - Show Notes · 2018. 5. 1. · Show 4: Teaching Trigonometry Show Notes 2 February 20, 2012 Sep 501:46 PM 1.Approaches to teaching trigonometry Investigative

Show 4: Teaching Trigonometry ­ Show Notes

2

February 20, 2012

Sep 5­01:46 PM

1. Approaches to teaching trigonometry

Investigative Approach

• Graph paper, drawing pins, string

•   Similar Triangles

Sep 5­01:46 PM

Sep 5­01:46 PM

2. What's new for Grade 10 ( CAPS)?

Define reciprocal ratios for:

sinθ

cosθ

tanθ 

Sep 5­01:46 PM

3.  Progression and links to other topics

Definition of ratios ( triangles)

­ Calculator skills

­ reciprocal ratios

Cartesian plane (00 ≤ θ≤ 3600)­ Quadrants I ­ IV

( ­3600 ≤ θ≤ 3600)

­ graphs of functions

Trig Equations

Trig Identities

2D trig problems

3D trig problems


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