ECAT (Pre-Eng) Mathematics Chapter 13 Trigonometric Functions & Their Graphs

Domain of 2 cos x is ______

• [-2, 2] A
• R B
• Negative real numbers 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

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

Period of sin 3x is ______

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  D

What is the period of sin 2x/3 cos 4x=?

• π A
• 2π B
• π/2 C
• π/3 D

Domain of cosecθis

• 
  A
• 
  B
• 
  C
• 
  D

Range of 2 tan x is ______

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

• 
  A
• 
  B
• 
  C
• 
  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 tan x is ______

• 
  A
• 
  B
• 
  C
• 
  D

Period of Sine and Cosine function is

• π A
• 2π B
• -π C
• -2π D

Period of sec x is ______

• 
  A
• 
  B
• 
  C
• 
  D

What is the period of tan 4/3 x =?

• π/4 A
• 4π/3 B
• 7π/4 C
• 3π/4 D

Period of cot x is ______

• 
  A
• 
  B
• 
  C
• 
  D

Range of 3 sin x is ______

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

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

• 0 A
• 1 B
• 2 C
• 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

Domain of sin x is ______

• 
  A
• 
  B
• 
  C
• 
  D

The range of y = sin x is ______

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

Period of 2 cos x is ______

• 
  A
• 
  B
• 
  C
• 
  D

What is the period of 5 cot x=?

• π A
• -π B
• π/2 C
• 2π D

The period of|sin⁡2x| is

• π/2 A
• -π/2 B
• π C
• π/3 D

The period of 2 cos x is

• 30π A
• 7π B
• 5π C
• 2π D

The period of the function csc x/4 us

• 4x A
• π/4 B
• 8π C
• π/8 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

The function sine and Cosine have the closed internal as their range

• [1, 0] A
• [-1, 1] B
• [0, 1] C
• [-1, 2] D

Domain of sinθis

• Set of real numbers A
• Set of complex numbers B
• Set of natural numbers C
• Set of even numbers D

graph of trigonometric function y = sec x does not meet

• x - axis A
• y -axis B
• both axis C
• None of these D