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

Range of cotθis

• (+∞to -∞) A
• (-1 to +1) B
• (-5 to +5) C
• Set of even numbers only D

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

• π A
• 2π B
• π/2 C
• π/3 D

What is the period of 5 cot x=?

• π A
• -π B
• π/2 C
• 2π D

Period of tan x is ______

• 
  A
• 
  B
• 
  C
• 
  D

Tangent is ...............function

• Inverse A
• one-one B
• in-to C
• Periodic D

Sine is a periodic function and its period is ______

• π A
• s B
• 2π C
• 4π
  D

The period of cosec 10x is _______

• 
  A
• 
  B
• 
  C
• 
  D

Range of cot x is ______

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

• 
  A
• 
  B
• 
  C
• 
  D

The period of 2 cos x is

• 30π A
• 7π B
• 5π C
• 2π D

Period of tan 4x is ______

• 
  A
• 
  B
• 
  C
• 
  D

The period of tan x/7 is

• 3π A
• 7π B
• 15π C
• 5π D

The period of|sin⁡2x| is

• π/2 A
• -π/2 B
• π C
• π/3 D

Domain of sinθis

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

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 3 sin x is

• 2π A
• 9π B
• 3π C
• 5π D

Range of sec x is ______

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

Range of cosθis

• 
  A
• 
  B
• 
  C
• 
  D

Domain of cosec x is ______

• 
  A
• 
  B
• 
  C
• 
  D

Domain of cosθis

• Set of odd numbers A
• Set of integers B
• Set of real numbers C
• Set of complex numbers 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

Domain of tan x is ______

• 
  A
• 
  B
• 
  C
• 
  D

Domain of cotθis

• 
  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

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

• 2p A
• 12p B
• 13p C
• 7p D

Period of 2 cos x is ______

• 
  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

The period of tan [x/3] is ______

• 2π A
• 4π
  B
• 3π
  C
• 5π D