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

• 
  A
• 
  B
• 
  C
• 
  D

Range of tan x is ______

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

Period of sin 3x is ______

• 
  A
• 
  B
• 
  C
• 
  D

Period of cos x is _____

• 
  A
• 
  B
• 
  C
• 
  D

Range of sinθis

• 
  A
• 
  B
• 
  C
• 
  D

Period of cot x is ______

• 
  A
• 
  B
• 
  C
• 
  D

What is the period of cos 6x =?

• π/2 A
• π/3 B
• π/4 C
• π D

Period of sin 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

Domain of 3 sin x is ______

• [-3, 3] A
• R B
• Positive real numbers C
• None of these 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 2 cos x is ______

• [-2, 2] A
• R B
• Negative real numbers C
• None of these D

Domain of cosec x is ______

• 
  A
• 
  B
• 
  C
• 
  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

Domain of secθis

• 
  A
• 
  B
• 
  C
• 
  D

Domain of cotθis

• 
  A
• 
  B
• 
  C
• 
  D

Domain of tan x is ______

• 
  A
• 
  B
• 
  C
• 
  D

Period of sec x is ______

• 
  A
• 
  B
• 
  C
• 
  D

Range of cotθis

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

The period of 2 cos x is

• 30π A
• 7π B
• 5π C
• 2π D

Range of cosecθis

• W - {y | -1 < y < 1} A
• R - {y | -1 < y < 1} B
• O - {y | -1 < y < 1} C
• R D

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

• π A
• 2π B
• π/2 C
• π/3 D

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

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

Period of Sine and Cosine function is

• π A
• 2π B
• -π C
• -2π D

Domain of cos x is ______

• 
  A
• 
  B
• 
  C
• 
  D

The period of cot 8x is

• π/10 A
• 9π/7 B
• π/9 C
• π/8 D

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

• 2π A
• π B
• 4π C
• π / 2 D

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

• 0 A
• 1 B
• 2 C
• 3 D

• 
  A
• 
  B
• 
  C
• 
  D