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ACT Math 2.3 Trigonometry 225 Views


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Description:

ACT Math: Trigonometry Drill 2, Problem 3. The graph shown represents which function?

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Transcript

00:02

And here is your shmoop du jour...

00:03

The following is a graph above which function?

00:06

Here are the answers...

00:10

Sine. Cosine. Cactus. Cot. What ever that is. The figure starts at

00:15

0 ends at 2 pi, so it's period

00:18

is 2pi...thats this thing. It goes all the way up

00:22

one and goes all the way down to -1 so it's

00:26

amplitude is 1. The options that immediately come to mind based on these

00:30

details are

00:31

A and B. Sine and Cosine. The difference though is that a normal sign graph

00:37

begins at the origin

00:38

whereas a normal cosine graph begins at point zero one.

00:43

This one looks like it's the latter...so our answer is A.

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