ECAT Pre Engineering MCQ Test With Answer for Chapter 13 Mathematics

Period of 2 cos x is ______

• 
  A
• 
  B
• 
  C
• 
  D

The period of the function csc x/4 us

• 4x A
• π/4 B
• 8π C
• π/8 D

• 
  A
• 
  B
• 
  C
• 
  D

Domain of sinθis

• Set of real numbers A
• Set of complex numbers B
• Set of natural numbers C
• Set of even numbers D

Range of secθis

• Z - {x | -1 < x < 1} A
• W - {x | -1 < x < 1} B
• R - {x | -1 < x < 1} C
• R D

Period of 3 sin x is ______

• 
  A
• 
  B
• 
  C
• 
  D

Domain of cot x is ______

• 
  A
• 
  B
• 
  C
• 
  D

The Domain of y = sin x is ______

• Set of real numbers A
• Rational B
• Irrational no. C
• None of above D

Period of Cotangent function is

• π A
• -π B
• 0 C
• -2π D

The function sine and Cosine have the closed internal as their range

• [1, 0] A
• [-1, 1] B
• [0, 1] C
• [-1, 2] D

graph of trigonometric function y = sec x does not meet

• x - axis A
• y -axis B
• both axis C
• None of these D

The period of tan x/7 is

• 3π A
• 7π B
• 15π C
• 5π D

Range of 2 tan x is ______

• [-2, 2] A
• -1 < x < 1 B
• R C
• None of these D

• 
  A
• 
  B
• 
  C
• 
  D

Period of cos 2x is ______

• 
  A
• 
  B
• 
  C
• 
  D

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

• 0 A
• 1 B
• 2 C
• 3 D

Tangent is a periodic function and its period is ______

• 2π A
• 3π B
• π C
• 4π D

Range of cot x is ______

• [-1, 1] A
• R B
• Negative real numbers C
• R - {x | - 1 < x < 1} D

Domain of cotθis

• 
  A
• 
  B
• 
  C
• 
  D

The period of cos(7x-5) is

• π/7 A
• 7π/2 B
• π/2 C
• 2π/7 D

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) = ______

• f(p) A
• f(x) B
• f(o) C
• None of these D

The period of the trigonometric function y = sin x cos x is

• 2π A
• π B
• 4π C
• π / 2 D

Domain of sin x is ______

• 
  A
• 
  B
• 
  C
• 
  D

What is the period of sin 2x/3 cos 4x=?

• π A
• 2π B
• π/2 C
• π/3 D

Range of sin x is ______

• [-1, 1] A
• R B
• Negative real numbers C
• None of these D

The period of|sin⁡2x| is

• π/2 A
• -π/2 B
• π C
• π/3 D

Domain of y = cot x = ______

• 
  A
• 
  B
• 
  C
• 
  D

Range of sinθis

• 
  A
• 
  B
• 
  C
• 
  D

Sine is a periodic function and its period is ______

• π A
• s B
• 2π C
• 4π
  D

• 
  A
• 
  B
• 
  C
• 
  D