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Precalculus Enhanced with Graphing Utilities

Sullivan

$Math Studyset 91影视 Explanations$ Math

6th Edition 路 1200 pages

ISBN: 9780321795465

Chapter 9: Q. 4 (page 567)

$\tan^{- 1} (- 1) =_______$

Short Answer

Expert verified

$- \frac{蟺}{4}$

Step by step solution

01

Step 1. Given information

We have to find the value of $\tan^{- 1} (- 1)$

02

Step 2. Find the value

Let,

$胃 = \tan^{- 1} (- 1)$

Rewrite the expression,

$\tan 胃 = - 1$

Therefore,

$胃 = - \frac{蟺}{4}$

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