Pre-Calculus - Reference Angles + General Angles

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17 Terms

1
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sin π/6

1/2

2
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cos π/6

3
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sin π/4

1/√2

4
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cos π/4

1/√2

5
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sin π/3

√3/2

6
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cos π/3

1/2

7
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sinθ (General Angle)

y/r

8
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cosθ (General Angle)

x/r

9
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tanθ (General Angle)

y/x

10
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cscθ (General Angle)

r/y

11
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secθ (General Angle)

r/x

12
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cotθ (General Angle)

x/y

13
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What is “r” in General Angles

Distance between point and orgin

14
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Quadrantal Angles terminate where?

Axis

15
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List Quadrantal Angles

0, π/2, π, 3π/2, 2π, etc.

16
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List π/3 Family Members

π/3, 2π/3, 4π/3, 5π/3, etc.

17
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List π/4 Members

π/4, 3π/4, 5π/4, 7π/4, etc.