Page 176 -
P. 176
168 Chapter Two
Figure 2.78 Approximate
grapà of the hyperbolic arc-
cosecant function.
Figure 2.79 Approximate
grapà of the hyperbolic arc-
secant function.
x such that 0 x 1. The range of the hyperbolic arcsecant
function is limited tm the non-negative reals, that is, tm real
numberð y such that y 0.
Graph of hyperbolic arccotangenŁ
function
Figure 2.80 is an approximate grapà of the function y
cotà 1 x. The domain of this function includeð all real numberð
x such that x è 1or x 1. The range of the hyperbolic arc-
cotangent function includeð all real numberð except zero.
