Question # 1

The domain of principal cosine function is:

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If P(x) is a polynomial of degree m and Q(x) is a polynomial of degree n, the product P(x) . Q(x) will be a polynomial of degree:

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m . n

m - n

m + n

m × n

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zero

non-singular

singular

none of these

A sequence is denoted by:

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{a_n}

a_n

a₁ + (n-1) d

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1

-5

-1

none

Cot1°, Cot2°, Cot3°, .......... Cot89° =

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-1

1

∞

none

sin (Θ - π) =

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-2 sin α sin ß =

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sin (α + ß) + sin (α - ß)

cos (α + ß) + cos (α - ß)

cos (α + ß) - cos (α - ß)

cos (α - ß) + cos (α - ß)

To draw general conclusions from well-known facts is called:

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logic

proposition

induction

deduction

If each element in any row or each element in any column of a square matrix is zero, then value of the determinant is:

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0

1

-1

none of these

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integer

rationalnumber

irrationalnumber

naturalnumber

tan (-135°) =

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0

1

√2

Product of a complex number and its conjugate is:

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a real number

irrationalnumber

a complexnumber

either real number or complexnumber

n! stands for:

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product of first natural numbers

sum of n natural numbers

product of n integers

none of these

A dice is thrown. The probability to get an odd number is;

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1

none of these

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{1, 2, 3}

{5, 6, 7}

{4}

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x-axis

y-axis

y = x

y = -x

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

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I

II

III

IV

tan (α+ß) =

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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

If sin α = cos ß in any triangle ABC then:

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α + ß = 90°

α + ß = 180°

α + ß = 360°

α + ß

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11th Class ICS Mathematics Test Online MCQs With Answers

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