Question # 1

In a triangle if α > 45°, ß > 30° then Γ cannot be:

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90°

100°

120°

10°

To convert any angle in degrees into radians, we multiply the measure by:

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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

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

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

cos⁴Θ - sin⁴Θ =

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sin 2Θ

cos 2Θ

tan 2Θ

sec 2Θ

Which one is a quadrant angle ?

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60°

180°

120°

30°

1° is equal to:

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If cosec Θ > 0 and cot Θ < 0, then terminal arm of the angle lies in:

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I

II

III

IV

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

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2

4

0

8

In circular system the angle is measured in:

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radians

degrees

degrees, minutes

degrees, seconds

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

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I

II

III

IV

180° = _____________:

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π radians

(1 - cos²Θ) (1 + cot²Θ) =

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tan²Θ

0

1

-1

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30°

45°

60°

75°

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Which one is not a quadrant angle ?

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0°

90°

280°

270°

The angle between 0° and 360° and co-terminal with - 620° is:

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100°

200°

300°

320°

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

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I

II

III

IV

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

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I

II

III

IV

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11th Class FA Mathematics Chapter 9 Online Test MCQs With Answers

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