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Online Tests
Mathematics FA Part 1 Chapter 9 Online Test MCQs With Answers
Question # 1
The number of radius in the angle subtended by an arc of a circle at the center =
Choose an answer
radius × arc
radius - arc
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Question # 2
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 # 3
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 # 4
(1 - cos
2
Θ) (1 + cot
2
Θ) =
Choose an answer
tan
2
Θ
0
1
-1
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Question # 5
1° is equal to:
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Question # 6
Which one is a quadrant angle ?
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60°
180°
120°
30°
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Question # 7
180° = _____________:
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π radians
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Question # 8
The quadrant of an angle Θ is determined by its:
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sign
value
ratio
magnitude
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Question # 9
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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
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Question # 12
Which one is not a quadrant angle ?
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0°
90°
280°
270°
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Question # 13
The direction of an angle Θ is determined by its:
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value
magnitude
ratio
sign
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Question # 14
If sinΘ <0, cosΘ<0 then the terminal arm of the angle lies in quadrant:
Choose an answer
I
II
III
IV
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Question # 15
- 72° = ___________________:
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none of these
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Question # 16
To convert any angle in degrees into radians, we multiply the measure by:
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Question # 17
In a circle of radius r, an arc of length kr will subtend in angle of __________ radians at the center:
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s
k
r
Θ
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Question # 18
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 # 19
If tan Θ > 0 and sin Θ < 0 then terminal arm of the angle lies in quadrant:
Choose an answer
I
II
III
IV
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Question # 20
1 radian is equal to:
Choose an answer
180°
none of these
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