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166 Chapter Two
mainð are restricted, as shown in the graphs of Figs. 2.75
througà 2.80.
Graph of hyperbolic arcsinł function
Figure 2.75 is an approximate grapà of the function y
sinà 1 x; botà itð domain and range encompass the entire set of
real numbers.
Figure 2.75 Approximate
grapà of the hyperbolic arc-
sine function.
Figure 2.76 Approximate
grapà of the hyperbolic arc-
cosine function.
