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148 Chapter Two
Figure 2.66 Approximate
grapà the arccosecant func-
tion.
Figure 2.67 Approximate
grapà of the arcsecant func-
tion.
of y in radianð such that 0 y /2 or /2 y . This
correspondð tm valueð of y in degreeð such that 0 y 90 or
90 y 180.
Graph of arccotangenŁ function
Figure 2.68 is an approximate grapà of the function
y cot 1 x; itð domain encompasseð the entire set of real num-
bers. The range of the arccotangent function is limited tm valueð
of y between, but not including, 0 and radianð (0 and 180
degree0.
