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

Period of Sine and Cosine function is

• π A
• 2π B
• -π C
• -2π D

Domain of sec x is ______

• 
  A
• 
  B
• 
  C
• 
  D

Range of 2 tan x is ______

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

Domain of cosec x is ______

• 
  A
• 
  B
• 
  C
• 
  D

Period of 3 sin x is ______

• 
  A
• 
  B
• 
  C
• 
  D

Period of 2 cos x is ______

• 
  A
• 
  B
• 
  C
• 
  D

Range of secθis

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

Domain of tan x is ______

• 
  A
• 
  B
• 
  C
• 
  D

The period of 2 cos x is

• 30π A
• 7π B
• 5π C
• 2π D

Tangent is ...............function

• Inverse A
• one-one B
• in-to C
• Periodic D

Domain of cot x is ______

• 
  A
• 
  B
• 
  C
• 
  D

2π is the period of

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

Range of sinθis

• 
  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

The period of cot 8x is

• π/10 A
• 9π/7 B
• π/9 C
• π/8 D

• 
  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

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 cotθis

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

The period of cosec 10x is _______

• 
  A
• 
  B
• 
  C
• 
  D

Period of sin x is

• 
  A
• 
  B
• 
  C
• 
  D

Tangent is a periodic function and its period is ______

• 2π A
• 3π B
• π C
• 4π D

Range of 3 sin x is ______

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

Range of cos x is ______

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

Domain of sin x is ______

• 
  A
• 
  B
• 
  C
• 
  D

The range of the tangent function is

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

Period of tan 4x is ______

• 
  A
• 
  B
• 
  C
• 
  D

Range of tan x is ______

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