Trigonometric Ratios And Identities

$4 \operatorname{cosech} 2 x \tanh 2 x$

$4 \operatorname{sech} 2 x \operatorname{coth} 2 x$

$4 \operatorname{sech} 2 x \tanh 2 x$

$4 \cosh 2 x(\operatorname{cosech} 2 x)^2$