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22 votes
22 votes
PLEASE HELP PLEASEEEE!! 100 PTS!

PLEASE HELP PLEASEEEE!! 100 PTS!-example-1
User Bemeyer
by
3.0k points

2 Answers

16 votes
16 votes
You have to use different identities to solve it, if you have a question about how I did a specific step just ask :)
PLEASE HELP PLEASEEEE!! 100 PTS!-example-1
User David Hunt
by
3.3k points
8 votes
8 votes

Answer:

R

H

S

= cos

2

x

Explanation:

Hope this helped!

PLEASE HELP PLEASEEEE!! 100 PTS!-example-1
User Kumar Nitesh
by
3.3k points