Show that (tan1 x) = cos2(tan1 x) and then use Figure 9 to prove that (tan1 x) = (x2 +
Chapter 3, Problem 46(choose chapter or problem)
Show that (tan1 x) = cos2(tan1 x) and then use Figure 9 to prove that (tan1 x) = (x2 + 1)1. 1
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