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cis , noting that z|= |w| cis 0 and w 24. Let z 1. Evaluate z+w in mod-arg form and (arg zarg w). [HINT: Use the sum to product identities 0+ hence show that arg(z+ w) () (and sinsin o 2 sin (22 -¢ COs cos = 2 cos COS COS

cis , noting that z|= |w| cis 0 and w 24. Let z 1. Evaluate z+w in mod-arg form and (arg zarg w). [HINT: Use the sum to product identities 0+ hence show that arg(z+ w) () (and sinsin o 2 sin (22 -¢ COs cos = 2 cos COS COS

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.3: The Addition And Subtraction Formulas
Problem 72E
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cis , noting that z|= |w| cis 0 and w 24. Let z 1. Evaluate z+w in mod-arg form and (arg zarg w). [HINT: Use the sum to product identities 0+ hence show that arg(z+ w) () (and sinsin o 2 sin (22 -¢ COs cos = 2 cos COS COS
Transcribed Image Text:cis , noting that z|= |w| cis 0 and w 24. Let z 1. Evaluate z+w in mod-arg form and (arg zarg w). [HINT: Use the sum to product identities 0+ hence show that arg(z+ w) () (and sinsin o 2 sin (22 -¢ COs cos = 2 cos COS COS
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