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17 votes
17 votes
PLEASE HELP ONLY GENIUSES! THANK YOU IN ADVANCE!

PLEASE HELP ONLY GENIUSES! THANK YOU IN ADVANCE!-example-1
User Vladimir Muzhilov
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1 Answer

6 votes
6 votes

Answer:

  1. By trigonometric properties that is NOT an identity
  2. By trigonometric properties this is an identify
User Gnaggnoyil
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