If cos a = 0.565 and cos ß= 0.867 (both angles are acute),

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.2: Trigonometric Functions Of Angles
Problem 33E
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Pls help! Everyone keeps getting it wrong
If cos a = 0.565 and cos ß = 0.867 (both
angles are acute),
Your answers should be accurate to 3 decimal
places, so carry at least 5 decimal places in
your cofunctions.
Find the values for:
cos(a + 3) =
cos(a - b) =
Transcribed Image Text:If cos a = 0.565 and cos ß = 0.867 (both angles are acute), Your answers should be accurate to 3 decimal places, so carry at least 5 decimal places in your cofunctions. Find the values for: cos(a + 3) = cos(a - b) =
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