Question # 1

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°

Synthetic division is a process of:

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division

subtraction

addition

multiplication

Solution set of the simultaneous equations : x + y = 1, x - y = 1 is:

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{(0,0)}

{(1,0)}

{(0,1)}

{(1,1)}

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

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I

II

III

IV

A^-1 exists if A is:

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singular

nonsingular

symmetric

none

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ab - cd = 0

ac - bd = 0

ad - bc = 1

ad - bc = 0

Graphs of trigonometric function within their domains are:

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line segments

sharp corners

broken lines

smooth curves

The conjunction of two statements p and q is denoted by:

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No. of arrangements can be made of 4 letters a, b, c, d taken 2 at a time ?

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8

12

10

14

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3×1

1×3

3×3

1×1

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sin x

cosec x

A declarative statement which is either true or false but not both is called:

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logic

proposition

induction

deduction

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No. of arrangements of the letters of the word PAKPATTAN can be made, taken all together ?

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15130

15120

1512

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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An infinite sequence has no:

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nth term

last term

sum

none

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 x is positive or zero, then the principal value of any inverse function of x, if it exists lies in the interval:

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2x

x²

1

none of these

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