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

Range of cosecθis

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

2π is the period of

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

The period of 3 sin x is

• 2π A
• 9π B
• 3π C
• 5π D

Range of cotθis

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

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

• 0 A
• 1 B
• 2 C
• 3 D

The period of cos(7x-5) is

• π/7 A
• 7π/2 B
• π/2 C
• 2π/7 D

Range of cosec 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

Domain of 2 cos x is ______

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

The period of 2 cos x is

• 30π A
• 7π B
• 5π C
• 2π 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

Period of sin 3x is ______

• 
  A
• 
  B
• 
  C
• 
  D

Range of sin x is ______

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

Range of cosθis

• 
  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

Period of cos x is _____

• 
  A
• 
  B
• 
  C
• 
  D

Domain of 3 sin x is ______

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

Domain of secθis

• 
  A
• 
  B
• 
  C
• 
  D

What is the period of tan 4/3 x =?

• π/4 A
• 4π/3 B
• 7π/4 C
• 3π/4 D

Period of tan x is ______

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  D

What is the period of 6 sin x=?

• π A
• -π B
• π/2 C
• 2π D

Domain of cosθis

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

Domain of y = cot x = ______

• 
  A
• 
  B
• 
  C
• 
  D

Domain of cos x is ______

• 
  A
• 
  B
• 
  C
• 
  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 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|sin⁡2x| is

• π/2 A
• -π/2 B
• π C
• π/3 D