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Find this limit?

  1. Jan 17, 2015 #1
    1. The problem statement, all variables and given/known data
    Find the limit of sin((pi*x*y)/4) as (x, y)--->(-1, 6).

    2. Relevant equations
    None.

    3. The attempt at a solution
    I got 1 as the answer. Am I right?
     
  2. jcsd
  3. Jan 17, 2015 #2

    Mark44

    Staff: Mentor

    How did you get 1? Please show your work.
     
  4. Jan 18, 2015 #3
    sin(-3*pi/2)=1, am I right?
     
  5. Jan 18, 2015 #4

    LCKurtz

    User Avatar
    Science Advisor
    Homework Helper
    Gold Member

  6. Jan 18, 2015 #5

    Mark44

    Staff: Mentor

    Yes, this is correct. My earlier response, which is now deleted, was incorrect. Sorry to have misled you.
     
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