ECAT Pre Engineering Mathematic MCQ Test With Answer for Chapter 13 (Trigonometric Functions and Their Graphs)

Range of 3 sin x is ______

• [ -3, 3] A
• [-1, 1] B
• R C
• None of these D

Period of Tangent function is

• 0° A
• -π B
• π C
• 2π D

Period of Cotangent function is

• π A
• -π B
• 0 C
• -2π 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|sin⁡2x| is

• π/2 A
• -π/2 B
• π C
• π/3 D

Domain of tangent function is

• 
  A
• 
  B
• 
  C
• 
  D

Range of tanθis

• Set of complex numbers A
• Set of real numbers B
• Set of odd numbers C
• Set of positive integers only D

• 
  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

Range of cos x is ______

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

Period of cot x is ______

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  D

The period of cosec 10x is _______

• 
  A
• 
  B
• 
  C
• 
  D

The period of tan [x/3] is ______

• 2π A
• 4π
  B
• 3π
  C
• 5π D

Domain of 3 sin x is ______

• [-3, 3] A
• R B
• Positive real numbers C
• None of these D

The period of tan x/7 is

• 3π A
• 7π B
• 15π C
• 5π D

• 
  A
• 
  B
• 
  C
• 
  D

Domain of tan x is ______

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  D

The period of cot 8x is

• π/10 A
• 9π/7 B
• π/9 C
• π/8 D

What is the period of cos 6x =?

• π/2 A
• π/3 B
• π/4 C
• π D

Range of sin x is ______

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

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

• 0 A
• 1 B
• 2 C
• 3 D

Period of 3 sin x is ______

• 
  A
• 
  B
• 
  C
• 
  D

Range of sec x is ______

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

The period of 2 cos x is

• 30π A
• 7π B
• 5π C
• 2π D

The range of the tangent function is

• all real numbers A
• -1 ≤ x ≥ 1 B
• natural number C
• z⁺ D

Domain of cos x is ______

• 
  A
• 
  B
• 
  C
• 
  D

Period of sin x is

• 
  A
• 
  B
• 
  C
• 
  D

Period of cos 2x is ______

• 
  A
• 
  B
• 
  C
• 
  D