Major Trigonometry + Unit Circle Values
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42 Terms
1
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Sin 30°
1/2
2
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Cos 30°
√3/2
3
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Tan 30°
√3/3
4
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Sin 45°
√2/2
5
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Cos 45°
√2/2
6
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Tan 45°
1
7
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Sin 60°
√3/2
8
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Cos 60°
1/2
9
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Tan 60°
√3
10
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What is the radius of the unit circle?
1
11
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What do the ordered pairs represent?
(cos θ, sin θ)
12
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What are the degrees of the first(right) quadrantal?
Start = 0°
End = 360°
End = 360°
13
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What is the ordered pair of the first(right) quadrantal?
(1, 0)
14
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What is the degree of the second(top) quadrantal?
90°
15
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What is the ordered pair of the second(top) quadrantal?
(0, 1)
16
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What is the degree of the third(left) quadrantal?
180°
17
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What is the value of the ordered pair of the third(left) quadrantal?
(-1, 0)
18
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What is the degree of the fourth(bottom) quadrantal?
270°
19
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What is the ordered pair of the fourth(bottom) quadrantal
(0, -1)
20
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What are the degree values in order from 0?
0, 30, 45, 60, 90, 120, 135, 150, 180, 210, 225, 240, 270, 300, 315, 330, 360
21
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What are the positives and negatives of quadrant I?
Positive: ALL
Negative: None
Negative: None
22
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What are the positives and negatives of quadrant II?
Positive: Sine, Cosecant
Negative: Cosine, Secant, Tangent, Cotangent
Negative: Cosine, Secant, Tangent, Cotangent
23
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What are the positives and negatives of quadrant III?
Positive: Tangent, Cotangent
Negative: Sine, Cosecant, Cosine, Secant
Negative: Sine, Cosecant, Cosine, Secant
24
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What are the positives and negatives of quadrant IV?
Positive: Cosine, Secant
Negative: Sine, Cosecant, Tangent, Cotangent
Negative: Sine, Cosecant, Tangent, Cotangent
25
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What are the 6 main ordered pairs there can be?
30° = (√3/2 , 1/2) or negated
45° = (√2/2 , √2/2) or negated
60° = (1/2, √3/2) or negated
45° = (√2/2 , √2/2) or negated
60° = (1/2, √3/2) or negated
26
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0° radian
0
27
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30° radian
π/6
28
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45° radian
π/4
29
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60° radian
π/3
30
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90° radian
π/2
31
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120° radian
2π/3
32
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135° radian
3π/4
33
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150° radian
5π/6
34
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180° radian
π
35
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210° radian
7π/6
36
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225° radian
5π/4
37
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240° radian
4π/3
38
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270° radian
3π/2
39
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300° radian
5π/3
40
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315° radian
7π/4
41
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330° radian
11π/6
42
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360° radian
2π
Note 
Flashcards (20)