Answer
$identity$, $conditional$.
Work Step by Step
We call the equation $f(x)=g(x)$ an $identity$ when it is true for every $x$ in the domain (same for both); otherwise, we call it a $conditional$ equation.
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Chapter 6 - Analytic Trigonometry - Section 6.4 Trigonometric Identities - 6.4 Assess Your Understanding - Page 496: 3
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