Question # 1

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

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I

II

III

IV

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

r r₁ r₂ r₃ =

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abc

No. of arrangements of the letters of the word plane taking all letters at a time:

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5

1

none

y = tan-1 x if and only if x = tan y, where:

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-1 < x < 1 and - π < y < π

If triangle ABC, If ß = 90° then:

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none of these

tan^-1(-√3) is:

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Distinct objects means:

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identical objects

not identical

similar

none of these

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scalarmatrix

diagonalmatrix

lower triangularmatrix

uppertriangularmatrix

A circle drawn inside a triangle and touching its sides is known as:

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3×1

1×3

3×3

1×1

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

2 cos α sin ß =

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cos (α + ß) + cos (α - ß)

sin (α + ß) + sin (α - ß)

sin (α + ß) - sin (α - ß)

cos (α + ß) + cos (α - ß)

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

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2

4

0

8

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A is superset of B

B is superset of A

A is subset of B

A is equivalent to B

- 72° = ___________________:

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none of these

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

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Modulus of 15 i + 20 is:

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20

15

25

none of the above

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Mathematics FA Part 1 Online Test MCQs With Answers

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