Trigonometry (11th Edition) Clone

Published by Pearson
ISBN 10: 978-0-13-421743-7
ISBN 13: 978-0-13421-743-7

Chapter 4 - Graphs of the Circular Functions - Section 4.3 Graphs of the Tangent and Cotangent Functions - 4.3 Exercises - Page 172: 39


$f(x) = -2~tan~x$

Work Step by Step

When $x = 0$, then the value of the function is zero. This is the graph for a tangent function. Compared with a standard tangent function, the positive and negative values are reflected so this is the graph for a negative tangent function. The magnitude of the value of the function at $x = \frac{\pi}{4}$ is 2, which is twice the value of the standard tangent function. The equation for this graph is: $f(x) = -2~tan~x$
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