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

Period of 2 cos x is ______

• 
  A
• 
  B
• 
  C
• 
  D

Period of cot x is ______

• 
  A
• 
  B
• 
  C
• 
  D

Period of cos x is _____

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  D

What is the period of 5 cot x=?

• π A
• -π B
• π/2 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

Period of sin 3x is ______

• 
  A
• 
  B
• 
  C
• 
  D

Range of 2 tan x is ______

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

Domain of cot x is ______

• 
  A
• 
  B
• 
  C
• 
  D

Range of cosec x is ______

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

The Domain of y = sin x is ______

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

Period of Tangent function is

• 0° A
• -π B
• π C
• 2π D

The period of|sin⁡2x| is

• π/2 A
• -π/2 B
• π C
• π/3 D

Domain of sec x is ______

• 
  A
• 
  B
• 
  C
• 
  D

The range of y = sin x is ______

• [1, -1] A
• [-1, 1] B
• [0, -1] 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

Domain of secθis

• 
  A
• 
  B
• 
  C
• 
  D

Period of tan x is ______

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  D

Domain of y = cot x = ______

• 
  A
• 
  B
• 
  C
• 
  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

Period of Cotangent function is

• π A
• -π B
• 0 C
• -2π D

graph of trigonometric function y = sec x does not meet

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

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

• π A
• 2π B
• π/2 C
• π/3 D

Period of cosec x is ______

• 
  A
• 
  B
• 
  C
• 
  D

The period of cos(7x-5) is

• π/7 A
• 7π/2 B
• π/2 C
• 2π/7 D

The period of sin x/2 = Cos x/3 is

• 2p A
• 12p B
• 13p C
• 7p D

The period of 3 sin x is

• 2π A
• 9π B
• 3π C
• 5π D

The range of the tangent function is

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

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

• 0 A
• 1 B
• 2 C
• 3 D