Find the amplitude of the function #2y=cos (4(t-6))+6#?
I know that the simplified form is y=cos(4(t-6))+3
The textbook says that the amplitude is #1/2# but I don't know how to get to the answer
I know that the simplified form is y=cos(4(t-6))+3
The textbook says that the amplitude is
1 Answer
Dec 11, 2017
See below.
Explanation:
When a trigonometric function is arranged in this form:
The amplitude is a
The period is
Phase shift is
Vertical shift is
First rearrange
Multiply by
Since
The amplitude is