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

Period of tan 4x is ______

• 
  A
• 
  B
• 
  C
• 
  D

The range of y = sin x is ______

• [1, -1] A
• [-1, 1] B
• [0, -1] C
• [-∞+∞] D

Range of sin x is ______

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

Range of cosec x is ______

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

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

• 0 A
• 1 B
• 2 C
• 3 D

Domain of y = cot x = ______

• 
  A
• 
  B
• 
  C
• 
  D

Period of sec x is ______

• 
  A
• 
  B
• 
  C
• 
  D

The period of cot 8x is

• π/10 A
• 9π/7 B
• π/9 C
• π/8 D

tan (π-θ) = ______

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

Period of cosec x is ______

• 
  A
• 
  B
• 
  C
• 
  D

Period of Sine and Cosine function is

• π A
• 2π B
• -π C
• -2π D

The period of tan x/7 is

• 3π A
• 7π B
• 15π C
• 5π D

The period of tan [x/3] is ______

• 2π A
• 4π
  B
• 3π
  C
• 5π 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 sin x is ______

• 
  A
• 
  B
• 
  C
• 
  D

The period of|sin⁡2x| is

• π/2 A
• -π/2 B
• π C
• π/3 D

Domain of cotθis

• 
  A
• 
  B
• 
  C
• 
  D

2π is the period of

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

• 
  A
• 
  B
• 
  C
• 
  D

Period of 3 sin x is ______

• 
  A
• 
  B
• 
  C
• 
  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

Range of sec 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

Sine is a periodic function and its period is ______

• π A
• s B
• 2π C
• 4π
  D

The range of y = cot x = ______

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

Domain of sec x is ______

• 
  A
• 
  B
• 
  C
• 
  D

Domain of tangent function is

• 
  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 2 cos x is ______

• 
  A
• 
  B
• 
  C
• 
  D