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

Domain of sin x is ______

• 
  A
• 
  B
• 
  C
• 
  D

Period of sec x is ______

• 
  A
• 
  B
• 
  C
• 
  D

graph of sine function is bounded between lines

• y± 1 = 0 A
• x± 1 = 0 B
• x± y - 0 C
• None of these D

Domain of cot 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|sin⁡2x| is

• π/2 A
• -π/2 B
• π C
• π/3 D

Domain of cosecθis

• 
  A
• 
  B
• 
  C
• 
  D

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

• 2π A
• π B
• 4π C
• π / 2 D

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

• π A
• 2π B
• π/2 C
• π/3 D

The Domain of y = sin x is ______

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

• 
  A
• 
  B
• 
  C
• 
  D

Period of sin 3x is ______

• 
  A
• 
  B
• 
  C
• 
  D

2π is the period of

• sin𝜽 A
• tan𝜽 B
• cot𝜽 C
• all circular function D

The period of cosec 10x is _______

• 
  A
• 
  B
• 
  C
• 
  D

The range of y = cot x = ______

• -∞> y > +∞ A
• -∞> x > +∞ B
• -∞ <y < +∞ C
• None of above D

Domain of secθis

• 
  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

Period of cot x is ______

• 
  A
• 
  B
• 
  C
• 
  D

Domain of cos x is ______

• 
  A
• 
  B
• 
  C
• 
  D

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

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

Range of 2 tan x is ______

• [-2, 2] A
• -1 < x < 1 B
• R C
• None of these 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 cos(7x-5) is

• π/7 A
• 7π/2 B
• π/2 C
• 2π/7 D

Range of 3 cot x is ______

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

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

• 2p A
• 12p B
• 13p C
• 7p D

Period of 3 sin x is ______

• 
  A
• 
  B
• 
  C
• 
  D

Range of cosecθis

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

Domain of 2 cos x is ______

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

Period of cos x is _____

• 
  A
• 
  B
• 
  C
• 
  D

Sine is a periodic function and its period is ______

• π A
• s B
• 2π C
• 4π
  D