Editor
Editor
 Sep 18, 2022
0
$\coth^{2}x-1$=
Difficulty: Easy
A: 
$\sec h^{2}x$
B: 
$\tan h^{2}x$
C: 
$\csc h^{2}x$
D: 
$\cos h^{2}x$
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NETNUST Entry TestMathematicsFunctions and Limits