Question # 1

If sin A = cos A, 0°<A<90° then A is equal to

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1

1/2

0

None of these

Express as a sum or difference: 2 sin 5θcosθ

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cos 4θ- cos 2θ

sin 4θ+ sin 2θ

cos 4θ+ cos 2θ

sin 4θ- sin 2θ

The number of x-intercepts of y= sin x in his period

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0

1

2

3

There are ______ basic techniques for solving a quadratic equation

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Two

Three

Four

None of these

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2π is the period of

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sin𝜽

tan𝜽

cot𝜽

all circular function

If d₁is the distance between (0,0) and (1,2) and d₂is the distance between (0,0) and (2,1) then

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d₁= d₂

d₁<d₂

d_1>d₂

none of these

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w²⁸+ w³⁸= ______

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0

1

w

-1

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A

A'

U

None of these

The set of the first elements of the orders pairs forming a relation is called its

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Relation in B

Range

Domain

Relation In A

If Z₁= 1 + i, Z₂= 2+3i, then |Z₁- Z₂| = ?

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If Cosθ=0, thenθ= ______

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nπ/2

(2n + 1)π/2

(2n - 1)π/2

(4n + 1)π/2

Name the property used in 4.1 + (-4.1) = 0

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Additive inverse

Multiplication inverse

Additive identity

Multiplication identity

Which of the following is a vector.

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work

time

density

electric field

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0

1

2

none of these

202.04 is an example of

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Recurring decimals

Non-recurring decimals

Terminating decimals

None of these

The value of the expression sinθ+ cosθlies between

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Matrices A = [aij] 2 x 3 and B =[bij] 3 x 2 are suitable for

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BA

A²

AB

B²

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none of these

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

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Polynomial

Proper fraction

Rational fraction

None

Which of the following is a scalar.

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electric field

magnetic field

weight

mass

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For what value of k, 3x -2y+ k= 0 is tangent to the circle x2 +y2 +6x -4y =0

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k=0

k=0 or 26

k = 26

k=-13

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a tan(ax + b) + c

- a tan(ax + b) + c

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P(A) + P(B)

P(A) - P(B)

P(A) . P(B)

P(A) / P(B)

The general value ofθsatisfying the equation 2 sin²θ- 3 sinθ-2 = 0 is

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If cos (2 sin-1 x) = 1/9 , then what is the value of x?

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1/3

-2/3

2/3

2/3 , -2/3

Every real number is

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A complex number

A rational number

A natural number

A prime number

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