Suppose that y is an angle with sin y = 4/7 and y is not in the first quadrant. What is the exact value of Cos y? O (7/33)/33 O (-7/33)/33 O V33/7 O -V33/7 O no correct answer
Suppose that y is an angle with sin y = 4/7 and y is not in the first quadrant. What is the exact value of Cos y? O (7/33)/33 O (-7/33)/33 O V33/7 O -V33/7 O no correct answer
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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