Question # 1

The set { {a,b} } is

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{X/X∈ A∧x ∈ U}

{X/X∉ A∧x ∈ U}

{X/X∈ A and x ∉ U}

A-U

The axis of the parabola y² = 4ax is

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x =0

Y =0

X = y

X = -y

Sin-1 (√2/2)=?

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π/2

π/3

3π/4

2π

If Cosα = 3/5, Cosβ = 5/13, then

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Cos(α +β) =33/65

Sin(α +β) =56/65

sin²(α +β/2) =1/65

Cos(α +β) =63/65

If x² +y² = 4, Then dy/dx =

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2x +2y

4 -x²

-x/y

y/x

Every prime number is also

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Rational number

even number

Irrational number

multiple of two numbers

In which quadrant is the solution of the equation sin x - 1 = 0

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II quadrants

II and III quadrants

III and Iv quadrants

I quadrant

What is the period of Cot x?

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2π

π

π/2

4π

If θ= 60° then

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sin θ = 1/2

tan θ = cot 30°

θ = π/4

Sec θ =4

If the diagonal of a square has coordinates (1,2) and(5,6) the length of a side is

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3

4

1

5

The principal value of sin^-1 [√3/2] is

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π/3

-π/3

2π/3

5π/3

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