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Chapter 7: Q. 48 (page 451)

Find the exact value, if any, of each composite function. If there is no value, say it is 鈥渘ot defined.鈥� Do not use a calculator.

tantan-1-2

Short Answer

Expert verified

The value for the given expression

tantan-1-2=-2

Step by step solution

01

Step 1. Given Information

Given trigonometric expression

tantan-1-2

02

Step 2. Calculation

The value for the given expression

tantan-1x=xif-鈭�<x<鈭�thereforetantan-1-2=-2

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