Trigonometry Intermediate Quiz 3
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Intermediate Quiz 3
1. What is the value of sine 30 degrees?
1/2
√3/2
1
2. What is the value of cosine 60 degrees?
1/2
√3/2
1
3. What is the value of sine 180 degrees?
0
1
−1
4. What is the value of cosine 180 degrees?
−1
0
1
5. What is the value of tangent 90 degrees?
Undefined
0
1
6. What is the unit circle?
A circle with radius 1 centered at the origin
A circle with diameter 1
A circle with circumference 1
7. What is the x-coordinate on the unit circle for cosine θ?
cos θ
sin θ
tan θ
8. What is the y-coordinate on the unit circle for sine θ?
sin θ
cos θ
tan θ
9. What is the period of the sine and cosine functions?
360 degrees or 2π radians
180 degrees or π radians
90 degrees or π/2 radians
10. What is the amplitude of y = 3 sin(x)?
3
1
0
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