ind the exact value by using a half-angle identity. os 75° √√2+√3
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 1E
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Transcribed Image Text:Question 11
Find the exact value by using a half-angle identity.
cos 75°
欢
2
专业分
√√2-√3
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