1. Define the trig ratios in right triangle.
??
?? 
2. Two conference triangles.


3. Define the trig ratios in unit circle.


4. Find the sin50 = ?

[Try this]
Find the sine , cosine , tangent of the angle ?

以上就是關于【IB SL: Basic Concepts in Unit Circle】的解答,如需了解學校/賽事/課程動態,可至翰林教育官網獲取更多信息。
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