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

The period of cos(7x-5) is

• π/7 A
• 7π/2 B
• π/2 C
• 2π/7 D

Range of cot x is ______

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

Range of 3 sin x is ______

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

tan (π-θ) = ______

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

Domain of 3 sin x is ______

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

The period of the function csc x/4 us

• 4x A
• π/4 B
• 8π C
• π/8 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 6 sin x=?

• π A
• -π B
• π/2 C
• 2π D

The period of tan x/7 is

• 3π A
• 7π B
• 15π C
• 5π D

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

• 0 A
• 1 B
• 2 C
• 3 D

Period of cot x is ______

• 
  A
• 
  B
• 
  C
• 
  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

Range of secθis

• Z - {x | -1 < x < 1} A
• W - {x | -1 < x < 1} B
• R - {x | -1 < x < 1} C
• R D

Range of tan x is ______

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

Domain of cotθis

• 
  A
• 
  B
• 
  C
• 
  D

Sine is a periodic function and its period is ______

• π A
• s B
• 2π C
• 4π
  D

• 
  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

Domain of cosθis

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

Range of cosθis

• 
  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

The period of 2 cos x is

• 30π A
• 7π B
• 5π C
• 2π D

The period of|sin⁡2x| is

• π/2 A
• -π/2 B
• π C
• π/3 D

2π is the period of

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

Range of 2 tan x is ______

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

Tangent is a periodic function and its period is ______

• 2π A
• 3π B
• π C
• 4π D

Period of tan x is ______

• 
  A
• 
  B
• 
  C
• 
  D

The period of|sin⁡2x| is

• π/2 A
• -π/2 B
• π C
• π/3 D

• 
  A
• 
  B
• 
  C
• 
  D

Period of 2 cos x is ______

• 
  A
• 
  B
• 
  C
• 
  D