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Trig Identity

  1. Apr 26, 2016 #1
    1. The problem statement, all variables and given/known data
    (sinθ + cosθ)2 = 1 + 2sinθ cosθ

    2. Relevant equations


    3. The attempt at a solution
    Would I have to foil out the left side?
     
  2. jcsd
  3. Apr 26, 2016 #2

    SteamKing

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    Why don't you try it? After all, you should be able to expand the square of a binomial expression rather easily.
     
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