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Mathematics FA Part 1 Chapter 9 Online Test MCQs With Answers

Question # 1

If sin Θ + cosec Θ = 2, then sin² Θ + cosec² Θ =

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Question # 2

If s denotes the length of the arc intercepted on a circle of radius r by a central angle of α radians, then:

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s = rα

s = r + α

none of these

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Question # 3

- 72° = ___________________:

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none of these

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Question # 4

Which one is not a quadrant angle ?

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0°

90°

280°

270°

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Question # 5

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 # 6

If sinΘ <0, cosΘ<0 then the terminal arm of the angle lies in quadrant:

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III

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Question # 7

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 # 8

If sin α < 0 and cos α > 0, then α lies in:

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III

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Question # 9

180° = _____________:

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π radians

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Question # 10

If tan Θ > 0 and sin Θ < 0 then terminal arm of the angle lies in quadrant:

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III

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Question # 11

(1 - cos²Θ) (1 + cot²Θ) =

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tan²Θ

-1

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