Evaluate the expression. 2 tan2120° +3 sin ²150° - cos ²90° 2 tan2120° +3 sin 2150° - cos 290° = (Simplify your answer, including any radicals. Use integers or fractions for
Evaluate the expression. 2 tan2120° +3 sin ²150° - cos ²90° 2 tan2120° +3 sin 2150° - cos 290° = (Simplify your answer, including any radicals. Use integers or fractions for
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.3: The Addition And Subtraction Formulas
Problem 20E
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Transcribed Image Text:Evaluate the expression.
2 tan 2120° +3 sin ²150° - cos ²90°
2 tan2120° +3 sin 2150° - cos ²90° =
(Simplify your answer, including any radicals. Use integers or fractions for a
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