Answer
$\pi$
Work Step by Step
$\tan x= 0\implies \frac{\sin x}{\cos x}=0\implies \sin x=0$
$\sin x=0$ when $x=n\pi$
The least positive value is obtained by setting $n=1$
$x=n\pi=1\times\pi=\pi$
Trigonometry (11th Edition) Clone
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
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 171: 1
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