Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.2: Trigonometric Functions Of Angles
Problem 95E
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![Suppose that sin(a) = 2/8 and cos(b) =1/8 define in the first quadrant, determine
cos(a+b). (round to 4 decimal places)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4da4e544-8b04-4dcd-a1a2-1d692881f2e4%2F7d8f6888-a3ab-473e-ae1f-109e751750ab%2Fysqlms4_processed.png&w=3840&q=75)
Transcribed Image Text:Suppose that sin(a) = 2/8 and cos(b) =1/8 define in the first quadrant, determine
cos(a+b). (round to 4 decimal places)
![Suppose that sin(a) = 1/7 and cos(b) = 2/7 define in the first quadrant, determine
cos(a-b). (round to 4 decimal places)
Your Answer:](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4da4e544-8b04-4dcd-a1a2-1d692881f2e4%2F7d8f6888-a3ab-473e-ae1f-109e751750ab%2Fwyuer6q_processed.png&w=3840&q=75)
Transcribed Image Text:Suppose that sin(a) = 1/7 and cos(b) = 2/7 define in the first quadrant, determine
cos(a-b). (round to 4 decimal places)
Your Answer:
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