Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
Related questions
Question
Triganometric identities #4 (in image)
First method used in image #2
![sin? e
4. If possible, algebraically verify
= 1- cos e in a different way. Show all your steps. If
1+cos e
not possible, explain why.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb9e6f454-aef3-4078-bf5c-8f7a3cacb5c5%2F50ae77cb-2110-4ea8-990f-9d7e5c9eb109%2Fefpoupa_processed.png&w=3840&q=75)
Transcribed Image Text:sin? e
4. If possible, algebraically verify
= 1- cos e in a different way. Show all your steps. If
1+cos e
not possible, explain why.
![The Right hand side of the given trigonometric equation is:
R. H. S. = 1 – cos 0
Step 2
Now:
1+cos 0
1
cos 0 = (1 – cos 0) ×
1+cos 0
(1-cos Ө)(1+cos Ө)
1
— cos Ө :
1+cos 0
1-cos? 0
1
— cos Ө
1+cos 0
Now using trigonometric identity i. e. sin? 0 = 1 – cos² 0 :
sin? 0
1- cos 0 =
1+cos 0](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb9e6f454-aef3-4078-bf5c-8f7a3cacb5c5%2F50ae77cb-2110-4ea8-990f-9d7e5c9eb109%2F1rhslkm_processed.png&w=3840&q=75)
Transcribed Image Text:The Right hand side of the given trigonometric equation is:
R. H. S. = 1 – cos 0
Step 2
Now:
1+cos 0
1
cos 0 = (1 – cos 0) ×
1+cos 0
(1-cos Ө)(1+cos Ө)
1
— cos Ө :
1+cos 0
1-cos? 0
1
— cos Ө
1+cos 0
Now using trigonometric identity i. e. sin? 0 = 1 – cos² 0 :
sin? 0
1- cos 0 =
1+cos 0
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