Question: Follow the instruction in problem 45 for f(x) = (sin2 x - 3 tan x) / cos x. Let f(x) = (x3 + 3x -

Follow the instruction in problem 45 for f(x) = (sin2 x - 3 tan x) / cos x.
Let f(x) = (x3 + 3x - 5) / (x2 + 4).
a. Evaluate f(1.38) and f(4.12).
(b) Construct a table of values for this function corresponding to x = - 4, - 3 tan) / cos x.
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