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Cauchy schwarz math help

  1. Jun 6, 2008 #1
    1. The problem statement, all variables and given/known data
    what is the relation between cauchy_schwarz inequality and this ;
    Sin(a+b)=Sin(a)Cos(b)+Cos(a)Sin(b):biggrin:


    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Jun 6, 2008 #2
    Think of it as the dot product of two vectors. From that you can show that, although already obvious, [tex]\sin{(a+b)}\leq 1[/tex].
     
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