The Linear Approximation to (x) = tan x at x = /4 yields the estimate tan /4
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The Linear Approximation to ƒ(x) = tan x at x = π/4 yields the estimate tan π/4 + h − 1 ≈ 2h. Set K = 6.2 and show, using a plot, that |ƒ"(x)| ≤ K for x ∈ [π/4, π/4 + 0.1]. Then verify numerically that the error E satisfies Eq. (5) for h = 10−n, for 1 ≤ n ≤ 4.
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1 ΕΣ-Κ (Δx)? E 2 VI
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Let fx tan x Then f4 1 fx sec x and f4 2 Therefore by the Linear Approximation sh7tanh1 2h f ...View the full answer
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