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Online Tests
Mathematics FA Part 1 Chapter 9 Online Test MCQs With Answers
Question # 1
In a triangle if α > 45°, ß > 30° then Γ cannot be:
Choose an answer
90°
100°
120°
10°
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Question # 2
1° is equal to:
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Question # 3
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 # 4
In circular system the angle is measured in:
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radians
degrees
degrees, minutes
degrees, seconds
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Question # 5
If cosec Θ > 0 and cot Θ < 0, then terminal arm of the angle lies in:
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I
II
III
IV
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Question # 6
The number of radius in the angle subtended by an arc of a circle at the center =
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radius × arc
radius - arc
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Question # 7
Choose an answer
30°
45°
60°
75°
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Question # 8
If sinΘ <0, cosΘ<0 then the terminal arm of the angle lies in quadrant:
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I
II
III
IV
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Question # 9
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 # 10
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Question # 11
To convert any angle in degrees into radians, we multiply the measure by:
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Question # 12
- 72° = ___________________:
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none of these
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Question # 13
180° = _____________:
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π radians
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Question # 14
The angle between 0° and 360° and co-terminal with - 620° is:
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100°
200°
300°
320°
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Question # 15
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 # 16
(1 - cos
2
Θ) (1 + cot
2
Θ) =
Choose an answer
tan
2
Θ
0
1
-1
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Question # 17
Which one is a quadrant angle ?
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60°
180°
120°
30°
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Question # 18
To convert any angle in radians into degrees, we multiply the measure by:
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Question # 19
If s denotes the length of the arc intercepted on a circle of radius r by a central angle of α radians, then:
Choose an answer
s = rα
s = r + α
none of these
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Question # 20
Which one is not a quadrant angle ?
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0°
90°
280°
270°
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