9. Decide whether or not the following equations are true or false: e° = cos" r + sin² r = cosh? r – sinh? r = In(e) arctan (1) = sech(0) (a) TRUE (b) FALSE
9. Decide whether or not the following equations are true or false: e° = cos" r + sin² r = cosh? r – sinh? r = In(e) arctan (1) = sech(0) (a) TRUE (b) FALSE
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 104E
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