Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 105E
Related questions
Question
If tan35° = y, then (tan145° - tan125°) / (1 + tan145°tan125°) =
Group of answer choices
(1 + y²) / 2y
(2y-1)/2y
(y²-1) / 2y
(1 - y²) / 2y
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