19 (a) Find a formula for sup(A₁UA2). Extend this to sup (U=1 Ak). (b) Consider sup (U=1 Ak). Does the formula in (a) extend to the infinite case?
19 (a) Find a formula for sup(A₁UA2). Extend this to sup (U=1 Ak). (b) Consider sup (U=1 Ak). Does the formula in (a) extend to the infinite case?
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 40E
Question
In part (a), please prove the part of the question asking for the extension of the sup by using mathematical induction
Transcribed Image Text:19
(a) Find a formula for sup(A₁UA2). Extend this to sup (U=1 Ak).
(b) Consider sup (U=1 Ak). Does the formula in (a) extend to the infinite
case?
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