Question # 1

The period of tan 2x is:

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General angles of inverse trigonometric functions are written by using their:

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Domain

Range

Periodicity

Quadrants

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The ordered pairs (4, 5) and (5, 4) are:

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same

different

both a and b

N

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scalarmatrix

diagonalmatrix

lower triangularmatrix

uppertriangularmatrix

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9

-9

-6

none

The angles 90°±Θ, 180°±Θ, 270°±Θ, 360°±Θ, are the:

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composite angles

half angles

quadrantal angles

allied angles

If A = [a_ij], B = [b_ij] and AB = 0 then:

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A = 0

B = 0

either A = 0 or B = 0

A & B not necessarily zero

The roots of the equation 25x² - 30x + 9 = 0 are;

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rational

irrational

equal

complex

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Additive property

Multiplicativeproperty

Reflexiveproperty

Transitive property

How many different number can be formed by taking 4 out of the six digits 1, 2, 3, 4, 5, 6:

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360

120

366

none of these

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What is the general term of the sequence 2, 4, 6, 8, ........... ?

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2n

n + 1

2n²

none of these

cos⁴Θ - sin⁴Θ =

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sin 2Θ

cos 2Θ

tan 2Θ

sec 2Θ

y = sin^-1 x if and only if x = sin y, where:

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Which one is a quadrant angle ?

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60°

180°

120°

30°

In a triangle ABC b = √3, c = 1, α = 30° then a = :

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2

1

3

-1

Graphs of trigonometric function within their domains are:

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line segments

sharp corners

broken lines

smooth curves

If A and B are two matrices, then:

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A B = O

AB = BA

AB = I

AB may not be defined

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x = 0

y = 0

x = 0 and y = 0

x = 0 or y = 0

The solution set of 2cosΘ + √3 = 0 is:

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finite set

infinite set

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