Periodic trigonometry

Which of the following best describes a periodic function in trigonometry?

• A function that repeats its values at regular intervals

• A function that approaches infinity as x approaches certain values

• A function that has no repeating pattern

• A function that exhibits vertical asymptotes

Which trigonometric function(s) is/are periodic?

• Sine

• Cosine

• Tangent

• All of the above

Which of the following functions is not periodic?

• Cosine

• Exponential function

• Tangent

• Sine

What is the period of the function f(x) = 4cos(2x)?

• π/2

• 3π

• π

• 4π

Which graph repeats itself over and over again?

• A straight line

• A circle

• A sine wave

• A parabola

What is the range of values for the sine function?

• -1 to 1

• 0 to 1

• All real numbers

• It depends on the graph

The period of a function tells you how often it repeats. True or False?

• true

• false

Imagine a car's wheel spinning. Which function describes the height of a point on the rim?

• A constant number

• A linear function

• A periodic function

• An exponential function