INVERSE TRIG FUNCTIONS Basic Graphs (Page 3 of 13)

Now draw the inverse relation, which will be a reflection of the graph of the sine function Y1 about the line y = x. Enter the DrawInv command from the DRAW menu, followed by the function name Y1.

 2nd QUIT key. CLEAR key.

 2nd DRAW key. Up arrow key. 8: menu selection. VARS key. [Y-VARS] 1: menu selection. 1: menu selection. ENTER key.

 Calculator screen image.

Because this graph of the the inverse is a drawing, it cannot be traced, nor can the CALC commands be used with it. To see only the graph of the inverse, we can turn off the sine function and repeat the previous command.

 Y= key. Left arrow key. ENTER key.

 2nd QUIT key. ENTER key.

 Calculator screen image.
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