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

The period of 3 sin x is

• 2π A
• 9π B
• 3π C
• 5π D

Domain of secθis

• 
  A
• 
  B
• 
  C
• 
  D

The period of|sin⁡2x| is

• π/2 A
• -π/2 B
• π C
• π/3 D

Period of Sine and Cosine function is

• π A
• 2π B
• -π C
• -2π D

Domain of cosec x is ______

• 
  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

Range of sin x is ______

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

• 
  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

Domain of cosecθis

• 
  A
• 
  B
• 
  C
• 
  D

Range of cotθis

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

Period of cos 2x is ______

• 
  A
• 
  B
• 
  C
• 
  D

Range of 3 sin x is ______

• [ -3, 3] A
• [-1, 1] B
• R C
• None of these 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 2 cos x is ______

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

Sine is a periodic function and its period is ______

• π A
• s B
• 2π C
• 4π
  D

2π is the period of

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

Period of cot x is ______

• 
  A
• 
  B
• 
  C
• 
  D

Domain of y = cot x = ______

• 
  A
• 
  B
• 
  C
• 
  D

Range of 2 tan x is ______

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

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

• 0 A
• 1 B
• 2 C
• 3 D

Range of 3 cot x is ______

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

Domain of cot x is ______

• 
  A
• 
  B
• 
  C
• 
  D

Range of sec x is ______

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

tan (π-θ) = ______

• - sinθ A
• - tanθ B
• - cosθ C
• - cotθ D

The period of 2 cos x is

• 30π A
• 7π B
• 5π C
• 2π 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

Tangent is a periodic function and its period is ______

• 2π A
• 3π B
• π C
• 4π D

Range of cot x is ______

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

The period of cot 8x is

• π/10 A
• 9π/7 B
• π/9 C
• π/8 D