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
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Topic Video
Question
![Evaluate the following
(i) sin 78° cos 18°
cos 78° sin 18°
(ii) cos 47° cos 13°
sin 47° sin 13°](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6aa73e53-408f-4497-a540-004b65485a87%2Fd849e3b2-5d60-46d4-baf4-5181a2288f6d%2Fxcpuj6_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Evaluate the following
(i) sin 78° cos 18°
cos 78° sin 18°
(ii) cos 47° cos 13°
sin 47° sin 13°
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