Question # 1

cot(3π/2 -θ)=______;

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tanθ

cotθ

-tanθ

-cotθ

The angle of depression of the point at a distance 70 meters from the foot of the tower from the top of the tower is 45^𝜊.The height of the tower is

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37m

97m

101m

70m

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If 3x4 +4x3+x5is divided by x+1 , which of the following is the remainder

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7

-2

6

1

A fraction in which the degree of the numerator is less than the degree of the denominator is called

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Polynomial

Equation

Proper fraction

Improper fraction

If f(x) = x²then f(2) is

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-2

2

4

-4

Which of the following is an identity matrix?

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none of these

sin (α+β) - sin (α -β) =

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4 cosαsinβ

2 cosαsinβ

4 cosαcosβ

4 sin αsinβ

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0

-1

1

2

If b₁, b₂, b₃, ... are in G.P. with first term unity and common ratio r, then the minimum value of b₁- b₃+ b₅is equal to

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3/4

1/4

1

None of these

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ⁿC_r

ⁿ⁺¹C_r+1

ⁿC_r+1

None

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