Use an addition or subtraction formula to find the exact value of cos 15° A: B = = = √A(√B+1)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.3: The Addition And Subtraction Formulas
Problem 62E
icon
Related questions
Question
Use an addition or subtraction formula to find the exact value of cos 15°
A
B =
=
√A(√B+1)
4
Transcribed Image Text:Use an addition or subtraction formula to find the exact value of cos 15° A B = = √A(√B+1) 4
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
Trigonometry
ISBN:
9781305652224
Author:
Charles P. McKeague, Mark D. Turner
Publisher:
Cengage Learning