1. What is the value of sin 0°?
A.
0
B.
1
C.
-1
D.
1/2
Correct Answer:
0
Explanation:
The sine function has a value of 0 at an angle of 0°.
2. What is the value of sin 90°?
A.
0
B.
1
C.
-1
D.
1/2
Correct Answer:
1
Explanation:
The sine function reaches its maximum value, 1, at 90°.
3. What is the value of sin 180°?
A.
1
B.
-1
C.
0
D.
1/2
Correct Answer:
0
Explanation:
The sine function is zero at 180°.
4. What is the value of sin 270°?
A.
0
B.
1
C.
-1
D.
1/2
Correct Answer:
-1
Explanation:
The sine function reaches its minimum value, -1, at 270°.
5. What is the range of the function y = sin x?
A.
0 to 1
B.
-1 to 1
C.
-∞ to ∞
D.
1 to 2
Correct Answer:
-1 to 1
Explanation:
For every real value of x, sin x lies between -1 and 1, inclusive.
6. What is the maximum value of the sine function?
A.
0
B.
-1
C.
1
D.
2
Correct Answer:
1
Explanation:
The sine function has a maximum value of 1.
7. What is the minimum value of the sine function?
A.
-1
B.
0
C.
1
D.
-2
Correct Answer:
-1
Explanation:
The sine function has a minimum value of -1.
8. What is the period of y = sin x when x is measured in degrees?
A.
90°
B.
180°
C.
270°
D.
360°
Correct Answer:
360°
Explanation:
The sine function repeats its values after an interval of 360°.
9. Which of the following is equal to sin 30°?
A.
0
B.
1/2
C.
√3/2
D.
1
Correct Answer:
1/2
Explanation:
The standard value of sin 30° is 1/2.
10. At which angle does the sine function first reach its maximum value in one cycle starting from 0°?
A.
0°
B.
90°
C.
180°
D.
360°
Correct Answer:
90°
Explanation:
Starting from 0°, the sine function increases to its maximum value of 1 at 90°.
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