#### Answer

$ y =- \tan x $

#### Work Step by Step

The required equation is $ y= -\tan x $
We see an upside-down tangent function with no phase shift, which matches with the graph of a normal tangent function with amplitude $-1$.

Published by
Pearson

ISBN 10:
0-13446-914-3

ISBN 13:
978-0-13446-914-0

$ y =- \tan x $

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