Answer
No solution
Work Step by Step
$\tan^2 x+3=0$
$\tan^2x=-3$
Since the left side is the square of a function, it must be greater than or equal to 0, not -3. There is no solution.
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 7 - Trigonometric Identities and Equations - 7.6 Trigonometric Equations - 7.6 Exercises - Page 720: 19
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