Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter76: Drilling And Boring Compound-angular Holes
Section: Chapter Questions
Problem 5A
Related questions
Question
Pre calc 5
![5.
If a, B are acute angles such that
8
cos a =- and tan B =, find cos (a - B)
15
4
5
and sin](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2743f58a-999a-485c-8435-d316e3b49890%2F9a269682-db60-4841-bdee-9affaf8ad856%2Fkme5wj1_processed.jpeg&w=3840&q=75)
Transcribed Image Text:5.
If a, B are acute angles such that
8
cos a =- and tan B =, find cos (a - B)
15
4
5
and sin
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