Chapter 6.9, Problem 1ES

Approximate the expression to four decimal places.

(a) $\sinh 3$

(b) $\cosh \left(-2\right)$

(c) $\tanh \left(\ln 4\right)$

(d) ${\sinh }^{-1}\left(-2\right)$

(e) ${\cosh }^{-1}3$

(f) ${\tanh }^{-1}\frac{3}{4}$