If $\sinh u=\tan \theta$, then $\cosh u$ is equal to

Important Questions on Hyperbolic Functions

MEDIUM

AP EAPCET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 20 - Hyperbolic Functions>AP EAPCET - 20 Aug 2021 Afternoon>Q 4

$\sinh (x+y)\cosh (x-y)$ is equal to