SOLUTION: http://m1342.photobucket.com/albumview/albums/dwaejitokki8/8371012C-F285-4ACE-8AB9-0D35EFEB9459-715-000000814C93031F_zps2f0ef32b.jpg.html?o=0&newest=1 I know the answer is 2 cot

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Question 732183: http://m1342.photobucket.com/albumview/albums/dwaejitokki8/8371012C-F285-4ACE-8AB9-0D35EFEB9459-715-000000814C93031F_zps2f0ef32b.jpg.html?o=0&newest=1
I know the answer is 2 cot u , but I want to know how to get to it. Please explain to me. Thank you!

Found 2 solutions by lynnlo, Alan3354:
Answer by lynnlo(4176)   (Show Source): You can put this solution on YOUR website!

Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!

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Combine the 2 fractions, see what you get.

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