ACT Math : How to find the period of the cosine

Study concepts, example questions & explanations for ACT Math

varsity tutors app store varsity tutors android store

Example Questions

Example Question #1 : How To Find The Period Of The Cosine

A function with period P will repeat on intervals of length P, and these intervals are referred to as periods.

 

Find the period of the function

.

Possible Answers:

Correct answer:

Explanation:

For the function

the period is equal to

or in this case

which reduces to .

Example Question #2 : How To Find The Period Of The Cosine

A function with period P will repeat on intervals of length P, and these intervals are referred to as periods.

 

Find the period of the function

.

Possible Answers:

Correct answer:

Explanation:

For the function

the period is equal to

or in this case

which reduces to .

Example Question #3 : How To Find The Period Of The Cosine

A function with period P will repeat on intervals of length P, and these intervals are referred to as periods.

 

Find the period of the function 

.

Possible Answers:

Correct answer:

Explanation:

For the function

the period is equal to

or in this case

which reduces to .

Example Question #4 : How To Find The Period Of The Cosine

A function with period  will repeat its solutions in intervals of length .

What is the period of the function ?

Possible Answers:

Correct answer:

Explanation:

For a trigonometric function , the period  is equal to . So, for .

Example Question #5 : How To Find The Period Of The Cosine

A function with period  will repeat its solutions in intervals of length .

What is the period of the function ?

Possible Answers:

Correct answer:

Explanation:

For a trigonometric function , the period  is equal to . So, for .

Example Question #6 : How To Find The Period Of The Cosine

A function with period  will repeat its solutions in intervals of length .

What is the period of the function ?

Possible Answers:

Correct answer:

Explanation:

For a trigonometric function , the period  is equal to . So, for .

Learning Tools by Varsity Tutors

Incompatible Browser

Please upgrade or download one of the following browsers to use Instant Tutoring: