Pre-Calculus 4.3B
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Last updated 3:30 PM on 2/6/26
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7 Terms
1
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30 degrees or π/6
√3/2, 1/2
2
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45 degrees or π/4
√2/2, √2/2
3
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60 degrees or π/3
1/2, √3/2
4
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Quadrant 1 Reference Angle
No change
5
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Quadrant 2 Reference Angle
180/π - θ
6
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Quadrant 3 Reference Angle
θ - 180/π
7
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Quadrant 4 Reference Angle
360/2π - θ
Note 
Flashcards (23)