ACT Math 2.3 Trigonometry

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

ACT MathTrigonometry
ACT MathematicsTrigonometry
Foreign LanguageArabic Subtitled
Chinese Subtitled
Korean Subtitled
Spanish Subtitled
FunctionsModel periodic phenomena with trigonometric functions
GeometryRight Triangles and Trigonometry
LanguageEnglish Language
Product TypeACT Math
TrigonometryGraphing trigonometric functions
Trig graphs

Transcript

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.