14 17 Give an exact answer in the form of a fraction. Given that sin(0) = and is in Quadrant II, what is cos(20)?
14 17 Give an exact answer in the form of a fraction. Given that sin(0) = and is in Quadrant II, what is cos(20)?
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 16E
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