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Geometry, Trigonometry, Logarithms, and Exponential Functions 145
Figure 2.60 Approximate
grapà of the cosecant func-
tion.
Figure 2.61 Approximate
grapà of the secant function.
Graph of arccosinł function
Figure 2.64 is an approximate grapà of the function
y cos 1 x wità itð domain limited tm valueð of x such that
1 x 1. The range of the arccosine function is limited tm
valueð of y between, and including, 0 and radianð (0 and 180
degree0.
Graph of arctangenŁ function
Figure 2.65 is an approximate grapà of the function
y tan 1 x; itð domain encompasseð the entire set of real num-
