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

Range of secθis

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

Range of tanθis

• Set of complex numbers A
• Set of real numbers B
• Set of odd numbers C
• Set of positive integers only 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 the function csc x/4 us

• 4x A
• π/4 B
• 8π C
• π/8 D

What is the period of 6 sin x=?

• π A
• -π B
• π/2 C
• 2π D

tan (π-θ) = ______

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

The range of the tangent function is

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

• 
  A
• 
  B
• 
  C
• 
  D

Domain of cotθis

• 
  A
• 
  B
• 
  C
• 
  D

Range of cosθis

• 
  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

Range of 2 tan x is ______

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

Period of cos x is _____

• 
  A
• 
  B
• 
  C
• 
  D

The period of the trigonometric function y = sin x cos x is

• 2π A
• π B
• 4π C
• π / 2 D

Domain of 2 cos x is ______

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

• 
  A
• 
  B
• 
  C
• 
  D

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

• 0 A
• 1 B
• 2 C
• 3 D

What is the period of cos 6x =?

• π/2 A
• π/3 B
• π/4 C
• π D

Sine is a periodic function and its period is ______

• π A
• s B
• 2π C
• 4π
  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 cot 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 2 cos x is

• 30π A
• 7π B
• 5π C
• 2π D

Period of 3 sin x is ______

• 
  A
• 
  B
• 
  C
• 
  D

Period of cos 2x is ______

• 
  A
• 
  B
• 
  C
• 
  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

Domain of cosecθis

• 
  A
• 
  B
• 
  C
• 
  D