1. Derive the Secant formula using geometrical illustrations. 2. Hence approximate the root of the function f(x) = cos x + 2 sin x + x² [0,-0. hint: Take € 10-³ (*round your answer to eight decimal places)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 68E
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1. Derive the Secant formula using geometrical illustrations.
2. Hence approximate the root of the function f(x) = cos x + 2 sin x + x² [0,-0.1].
hint: Take €
10-³
(*round your answer to eight decimal places)
Transcribed Image Text:1. Derive the Secant formula using geometrical illustrations. 2. Hence approximate the root of the function f(x) = cos x + 2 sin x + x² [0,-0.1]. hint: Take € 10-³ (*round your answer to eight decimal places)
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