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11th Class FA Mathematics Chapter 9 Online Test MCQs With Answers
Question # 1
To convert any angle in degrees into radians, we multiply the measure by:
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Question # 2
The area of a sector of a circular region of radius r with length of the arc of the sector equal to s is-----------:
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rΘ
rs
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Question # 3
Which one is not a quadrant angle ?
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0°
90°
280°
270°
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Question # 4
The system of measurement in which the angle is measured in degrees, and its sub-units, minutes and seconds is called the:
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circular system
sexagesimal system
decimal system
degree system
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Question # 5
If the initial side of an angle is the positive x-axis and the vertex is at the origin, the angle is said to be in the _____________:
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initial position
finalposition
normalposition
standardposition
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Question # 6
If sin α < 0 and cos α > 0, then α lies in:
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I
II
III
IV
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Question # 7
The quadrant of an angle Θ is determined by its:
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sign
value
ratio
magnitude
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Question # 8
- 72° = ___________________:
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none of these
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Question # 9
1° is equal to:
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Question # 10
(1 - sin
2
Θ) (1 + tan
2
Θ) =
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0
1
Θ
-1
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Question # 11
If sin Θ + cosec Θ = 2, then sin
2
Θ + cosec
2
Θ =
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2
4
0
8
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