All ACT Math Resources
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
.
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
.
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
.
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 ?
For a trigonometric function , the period is equal to . So, for , .
Example Question #41 : Cosine
A function with period will repeat its solutions in intervals of length .
What is the period of the function ?
For a trigonometric function , the period is equal to . So, for , .
Example Question #141 : Trigonometry
A function with period will repeat its solutions in intervals of length .
What is the period of the function ?
For a trigonometric function , the period is equal to . So, for , .