show 4: teaching trigonometry - show notes · 2018. 5. 1. · show 4: teaching trigonometry show...
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Show 4: Teaching Trigonometry Show Notes
1
February 20, 2012
Jan 3012:25 PM Sep 501:46 PM
Learn Xtra Schedule
Learn Xtra Grade 10: Number & Number Patterns
Learn Xtra Grade 11: Quadratic Inequalities
Learn Xtra Grade 12: Financial Maths
Sep 501:46 PM
Supplementary Exam School
21 & 23 Feb 9:00 15:00 Maths Paper 1
24 Feb 9:00 15:00 Maths Paper 2
Learn Xtra Schedule
Sep 501:46 PM
Weekend
Saturday Grade 12
Mathematics 9:00 10:30
Highlights of Weekday Live
Mathematics 15:00 15:30
Sunday Grade 11 & 10
Mathematics 9:00 10:30
Highlights of Weekday Live
Mathematics 15:00 15:30
Learn Xtra Schedule
Sep 501:46 PM
Learn Xtra HelpDesk
Telephone: 086 1058 262
Email: [email protected]
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Sep 501:46 PM
Trigonometry
1. Approaches to teaching trigonometry
2. What's new for Grade 10 ( CAPS)?
3. Progression and links to other topics
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
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Sep 501:46 PM
2. What's new for Grade 10 ( CAPS)?
Define reciprocal ratios for:
sinθ
cosθ
tanθ
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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