calculus

Verify the given linear approximation at
a = 0.
Then determine the values of x for which the linear approximation is accurate to within 0.1. (Enter your answer using interval notation. Round your answer to two decimal places.)
tan x ≈ x

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  1. series for f(x when a = 0:
    tan x = tan 0 + sec^2 0 (x) + ....
    = 0 + 1 x .....
    when does
    x = tan x +/- .1
    make a table of x in radians vs tan x

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  2. (-0.63, 0.63) - final answer

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