a. Which one of the following choices is equal to sin? y – cos² y?
Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter3: Radian Measure
Section3.2: Radians And Degrees
Problem 88PS
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I know the answer but I have no idea how it got there, like I don't think they factored out?
![a. Which one of the following choices is equal to sin? y – cos? y?
-1
2 sin? y – 1v
ONone of these
02 cos y – 1
Osiny – cos y
01
The correct answer is: 2 sin? y – 1](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc736b819-5114-4f4d-adf7-8f55c8c551e6%2Fa7fd3e3a-f90f-4cc0-838e-bac915178d88%2Fr2a3kd_processed.png&w=3840&q=75)
Transcribed Image Text:a. Which one of the following choices is equal to sin? y – cos? y?
-1
2 sin? y – 1v
ONone of these
02 cos y – 1
Osiny – cos y
01
The correct answer is: 2 sin? y – 1
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