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Editor
 Sep 18, 2022
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The values of $\theta$ satisfying the equation $\tan^{2}\theta-\sec\theta-1=0$ are
Difficulty: Easy
A: 
$\frac{2\pi}{3},\frac{3\pi}{5},\pi$
B: 
$\frac{\pi}{3},\frac{5\pi}{3},\pi$
C: 
$\frac{\pi}{3},\frac{3\pi}{2},7\pi$
D: 
$0,\pi$
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NETNUST Entry TestMathematicsSolution of Trigonometric Equations