MATHEMATICS GRADE 12 TRIGONOMETRY...pptx

General solutions requires a solid foundation on the following subtopics
1. Trigonometric identities
2. Factorization methods

1. MATHEMATICS GRADE 12 TRIGONOMETRY

2. LET’S SEE HOW MUCH YOU STILL REMEMBER . INSTRUCTIONS: Form groups of five and take out your devices or gadgets. One device per group. Make sure you are connected. Search for Kahoot it login on your browser. Enter login PIN(203 6172) Answer all questions as quickly as possible. GAMES ON!!!! INTRODUCTION

3. LESSON OUTCOMES BY THE END OF THIS LESSON YOU SHOULD BE ABLE TO: Interpret the concept of general solutions involving double and compound-angle identities. Determine general solutions in trigonometric equations involving double and compound angles. Integrate different factorization methods to solve trigonometric equations.

4. GENERAL SOLUTIONS INVOLVING DOUBLE AND COMPOUND ANGLES The concepts of double and compound angle identities must be integrated when determining a general solution.

5. STEPS FOR DETERMINING GENERAL SOLUTIONS

6. EXAMPLE 1 Determine the general solution of cos2 ϑ -3cos ϑ -1=0 SOLUTION

7. CLASS ACTIVITY ( 10 MINS )

8. SOLUTION

9. WRAP UP!!! CONSOLIDATION Search slido.Com Enter code : #1910103 KEY TAKE AWAYS Integrate double angle identities. Integrate compound angle identities. Use factorisation methods to simplify the equation. Identify the relevant quadrants.

10. ANNOUNCEMENTS

11. WE CANNOT CALL IT A DAY WITHOUT A HOMEWORK!!!

12. DANKO IS THANK YOU!!!