Verify the identity: cos(a - b) cosa cosp = 1+ tan a tan ß.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.3: The Addition And Subtraction Formulas
Problem 44E
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i would like a step by step on how to verify this identity
![Verify the identity:
cos(a − B) = 1 + tan ɑ tan ß.
-
a
cosa cosp](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb6a0ed01-dc7e-4fee-9bdd-27c695376c3b%2F8a2ac39f-7dee-48c0-94f3-96e009e29180%2Fjxij85_processed.png&w=3840&q=75)
Transcribed Image Text:Verify the identity:
cos(a − B) = 1 + tan ɑ tan ß.
-
a
cosa cosp
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