Question # 1

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

cos⁴Θ - sin⁴Θ =

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sin 2Θ

cos 2Θ

tan 2Θ

sec 2Θ

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

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°

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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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

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

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2

4

0

8

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30°

45°

60°

75°

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

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