$\cosh^{2}x+\sinh^{2}x=$

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$\cosh^{2}x+\sinh^{2}x=$

E

Editor

Sep 18, 2022

\cosh^{2}x+\sinh^{2}x=

Difficulty: Easy

A:

\sinh 2x

B:

1

C:

\cosh 2x

D:

0

ID: 63273db8ca83163ac3a1066b