Editor
Editor
 Sep 18, 2022
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If $\tan^{2}\theta=1/3$ then $\theta$=
Difficulty: Easy
A: 
$\frac{\pi}{6}'\frac{\pi}{3}'\frac{2\pi}{3}'\frac{5\pi}{6}$
B: 
$\frac{\pi}{6}'\frac{7\pi}{6}'\frac{5\pi}{6}'\frac{11\pi}{6}$
C: 
$\frac{\pi}{4}'\frac{4\pi}{8}$
D: 
$\frac{7\pi}{6}'\frac{11\pi}{6}'\frac{\pi}{2}$
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NETNUST Entry TestMathematicsSolution of Trigonometric Equations