Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §3.7 Newton’s Method (and Chaos), #14 · Calculus · Applications of derivatives

… (find two roots) (are there more?)

Solve to four decimal places by Newton's method with a computer or calculator. Choose any $x_{0}$ except $x^{*}$ .

$x + tan x = 0$ (find two roots) (are there more?)

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §3.7 Newton’s Method (and Chaos), #14

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