12 If cos(a) = with T
Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter6: Equations
Section6.3: Trigonometric Equations Involving Multiple Angles
Problem 83PS
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Question
![If cos(a) =
with π<α<
2
compute the exact value of the following:
2
cos(2a)=|
sin
tan](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5c5734d7-71be-4626-8cb5-227ca6c7fb69%2Fdd0dca9e-476d-4bb6-b9ca-ba9eda0cdb11%2Fowblp67_processed.png&w=3840&q=75)
Transcribed Image Text:If cos(a) =
with π<α<
2
compute the exact value of the following:
2
cos(2a)=|
sin
tan
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