Studied by 13 peopleSin 30°
1/2
Cos 30°
√3/2
Tan 30°
√3/3
Sin 45°
√2/2
Cos 45°
√2/2
Tan 45°
1
Sin 60°
√3/2
Cos 60°
1/2
Tan 60°
√3
What is the radius of the unit circle?
1
What do the ordered pairs represent?
(cos θ, sin θ)
What are the degrees of the first(right) quadrantal?
Start = 0°
End = 360°
What is the ordered pair of the first(right) quadrantal?
(1, 0)
What is the degree of the second(top) quadrantal?
90°
What is the ordered pair of the second(top) quadrantal?
(0, 1)
What is the degree of the third(left) quadrantal?
180°
What is the value of the ordered pair of the third(left) quadrantal?
(-1, 0)
What is the degree of the fourth(bottom) quadrantal?
270°
What is the ordered pair of the fourth(bottom) quadrantal
(0, -1)
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
What are the positives and negatives of quadrant I?
Positive: ALL
Negative: None
What are the positives and negatives of quadrant II?
Positive: Sine, Cosecant
Negative: Cosine, Secant, Tangent, Cotangent
What are the positives and negatives of quadrant III?
Positive: Tangent, Cotangent
Negative: Sine, Cosecant, Cosine, Secant
What are the positives and negatives of quadrant IV?
Positive: Cosine, Secant
Negative: Sine, Cosecant, Tangent, Cotangent
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
0° radian
0
30° radian
π/6
45° radian
π/4
60° radian
π/3
90° radian
π/2
120° radian
2π/3
135° radian
3π/4
150° radian
5π/6
180° radian
π
210° radian
7π/6
225° radian
5π/4
240° radian
4π/3
270° radian
3π/2
300° radian
5π/3
315° radian
7π/4
330° radian
11π/6
360° radian
2π
Note
Flashcard