Question # 1

The domain of principal cosine function is:

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Conjugate of -3 -2 i is:

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3 + 2i

-3 + 2i

2 + 3i

-2 + 3i

ⁿC₄ =ⁿC₈then n = :

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4

12

8

6

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

The graph of y = cos^-1 x is obtained by reflecting the graph of y = cos x about:

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x-axis

y-axis

y = x

y = -x

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i

0

Probability of a certain event is:

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0

1

>1

∞

x2 - 5x + 6 = 0 is:

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Fifth term of the sequence 2, 6, 11, 17.

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24

41

32

sin5Θ + sin3Θ is equal to:

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2cos 2Θ sin Θ

-2 cos 4Θ sin Θ

-2 sin 4Θ cos Θ

2 sin 4Θ cos Θ

sec (2π + Θ), where Θ is a basic angle will have terminal side in:

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quad. I

quad. II

quad. III

quad. IV

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real numbers

complexnumbers

primenumbers

oddnumbers

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scalar matrix

diagonalmatrix

lower triangularmatrix

upper triangularmatrix

A numbers exceeds its square root by 6, the number is:

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6

3

9

none of these

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The objects in a set are called:

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elements

sub-sets

whole numbers

overlapping sets

{2, 4, 6, 8, ...........} represents the set of:

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positive odd numbers

natural numbers

prime numbers

positive even numbers

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25

20

40

2a + 2b + 2c

2 sin 12° sin 46° =

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cos 34° + cos 58°

sin 34° - sin 58°

sin 34° + sin 58°

cos 34° - cos 58°

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A circle passing though the vertices of a triangle is known as:

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