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  Lesson Topics
No. of Lessons Teaching Time (mins)
   1   INTRODUCTION TO TRIGONOMETRY link 6
10
   2   DEFINITIONS OF TRIGONOMETRICAL RATIOS link 14
20
   3   USE OF CALCULATOR link 16
15
   4   RIGHT ANGLED TRIANGLES link 67
95
   5   EXACT VALUES OF TRIGONOMETRICAL RATIOS link  39 31
   6   ANGLES IN DIFFERENT QUADRANTS link 80
70
   7   RELATIONSHIPS BETWEEN TRIG FUNCTIONS link 22
30
   8   GENERAL SOLUTION OF TRIANGLES link 82 70
   9   PROBLEMS IN TWO AND THREE DIMENSIONS link 45
60
   10   COMPOUND AND DOUBLE ANGLE FORMULAE link 27 45
   11   TRIGONOMETRICAL IDENTITIES link 13 20
   12   SOLVING TRIGONOMETRICAL EQUATIONS link 31 50
   13  
GRAPHS OF THE TRIGONOMETRICAL FUNCTIONS link 72 90
   14  
RADIAN MEASURE,  INVERSE TRIG FUNCTIONS AND RELATIONS link 39 40
   15  
INVERSE TRIG FUNCTIONS link 80 60
    Total   633 12 hours
 
trigonometry