Trigonometry (III)
Mathematics SSS 1 Third Term
WEEK 7
Trigonometry (III)
Performance Objectives
Students should be able to;
- Participate in the construction of a table of value
- Plot the points from the table of value obtained
- Draw the graph of trigonometry
Trigonometry ratios related to the Unit Circle
Content
1. Angles between 00 and 3600.
Consider a circle of radius one unit and centre at O, the origin, in the XY plane.
The circle is called a unit circle. Point P has co-ordinate (x,y) and lOPl = 1 unit.
Line Op makes an angle of θ with Ox.
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