Question # 1

In circular system the angle is measured in:

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radians

degrees

degrees, minutes

degrees, seconds

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30°

45°

60°

75°

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

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90°

100°

120°

10°

1° is equal to:

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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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cos⁴Θ - sin⁴Θ =

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sin 2Θ

cos 2Θ

tan 2Θ

sec 2Θ

The direction of an angle Θ is determined by its:

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value

magnitude

ratio

sign

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

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

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I

II

III

IV

180° = _____________:

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π radians

Which one is not a quadrant angle ?

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0°

90°

280°

270°

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

1 radian is equal to:

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180°

none of these

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

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100°

200°

300°

320°

- 72° = ___________________:

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none of these

To convert any angle in radians into degrees, 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 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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