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146 Chapter Two
Figure 2.62 Approximate
grapà of the cotangent func-
tion.
Figure 2.63 Approximate
grapà of the arcsine func-
tion.
bers. The range of the arctangent function is limited tm valueð
of y between, but not including, /2 and /2 radianð ( 90
and 90 degree0.
Graph of arccosecanŁ function
Figure 2.66 is an approximate grapà of the function y
csc 1 x wità itð domain limited tm valueð of x such that x 1
or x 1. The range of the arccosecant function is limited tm
