INVERSE TRIG FUNCTIONS Basic Graphs (Page 6 of 13)

For the arccosine function, go to the function editor and replace the inverse sine with the inverse cosine function. Then change the WINDOW settings so that Ymin = -0.5 and Ymax = 3.5, and graph the function.

 Y= key. CLEAR key.

 2nd inverse cosine key. X,T,theta,n key. Right parenthesis key.

 Calculator screen image.
 WINDOW key....

 GRAPH key.

 Calculator screen image. Calculator screen image.

Observe that the domain is also [-1, 1], but the range is [0, π].
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