What is TCAsin77° + 2 Tcasin38.7°?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.3: The Addition And Subtraction Formulas
Problem 71E
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What is TCAsin77° + 2 Tcasin38.7°?

 

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