Question # 1

Domain of cosec x is ______

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Domain of 2 cos x is ______

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[-2, 2]

R

Negative real numbers

None of these

Range of sin x is ______

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[-1, 1]

R

Negative real numbers

None of these

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

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0

1

2

3

Range of sec x is ______

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[-1, 1]

R

Negative real numbers

R = {x | -1 < x < 1}

Range of cotθis

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(+∞to -∞)

(-1 to +1)

(-5 to +5)

Set of even numbers only

Period of cosec x is ______

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Domain of sin x is ______

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Period of cos 2x is ______

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Range of cosec x is ______

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{-1, 1}

R

Negative real numbers

R - { x | - 1 < x < 1}

Domain of cosθis

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Set of odd numbers

Set of integers

Set of real numbers

Set of complex numbers

Period of Cotangent function is

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π

-π

0

-2π

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Range of tanθis

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Set of complex numbers

Set of real numbers

Set of odd numbers

Set of positive integers only

Domain of cotθis

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The period of|sin⁡2x| is

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π/2

-π/2

π

π/3

Period of Tangent function is

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0°

-π

π

2π

A function f(x) is said to be the periodic function if for all x in the domain of f, there exists a smallest positive number p such the f(x + p) = ______

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f(p)

f(x)

f(o)

None of these

The period of tan x/7 is

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3π

7π

15π

5π

Domain of tangent function is

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