Question # 1

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1 radian is equal to:

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180°

none of these

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

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I

II

III

IV

Which one is a quadrant angle ?

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60°

180°

120°

30°

180° = _____________:

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π radians

1° is equal to:

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In a circle of radius r, an arc of length kr will subtend in angle of __________ radians at the center:

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s

k

r

Θ

The quadrant of an angle Θ is determined by its:

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sign

value

ratio

magnitude

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 - sin²Θ) (1 + tan²Θ) =

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0

1

Θ

-1

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

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2

4

0

8

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

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