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

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  D

The range of the tangent function is

• all real numbers A
• -1 ≤ x ≥ 1 B
• natural number C
• z⁺ D

Range of cot x is ______

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

Domain of cos x is ______

• 
  A
• 
  B
• 
  C
• 
  D

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

• 0 A
• 1 B
• 2 C
• 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

Domain of cosθis

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

Period of 3 sin x is ______

• 
  A
• 
  B
• 
  C
• 
  D

Domain of y = cot x = ______

• 
  A
• 
  B
• 
  C
• 
  D

The range of y = cot x = ______

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

Period of Tangent function is

• 0° A
• -π B
• π C
• 2π D

Range of 3 sin x is ______

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

Domain of cosec 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

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

• 2p A
• 12p B
• 13p C
• 7p D

Domain of cotθis

• 
  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

The period of 3 sin x is

• 2π A
• 9π B
• 3π C
• 5π D

• 
  A
• 
  B
• 
  C
• 
  D

tan (π-θ) = ______

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

Period of sec x is ______

• 
  A
• 
  B
• 
  C
• 
  D

Range of cos x is ______

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

2π is the period of

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

Range of cosec x is ______

• {-1, 1} A
• R B
• Negative real numbers C
• R - { x | - 1 < x < 1} 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 tangent function is

• 
  A
• 
  B
• 
  C
• 
  D

Domain of secθis

• 
  A
• 
  B
• 
  C
• 
  D

Domain of cosecθis

• 
  A
• 
  B
• 
  C
• 
  D

The period of|sin⁡2x| is

• π/2 A
• -π/2 B
• π C
• π/3 D