SOLUTION: Please need help with verifying the identities. I don't know if my answers are correct for the first image. The second image I have no clue on, I bet it's easy but it's not clickin

Question 923764: Please need help with verifying the identities. I don't know if my answers are correct for the first image. The second image I have no clue on, I bet it's easy but it's not clicking....

http://i.imgur.com/hARvPSD.png
http://i.imgur.com/W0hd9S7.png

Please explain
Thanks
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

your answer is correct for the first image

check: start with

=

=

=

=

2.

since

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