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Solving for x in 10 (1-cos^2 x) = 1 - 3 sinx

  1. Sep 10, 2007 #1
    hello, can someone help me with this problem: 10 (1-cos^2 x) = 1 - 3 sin x
    how can you simply solve that? thanks alot!
     
  2. jcsd
  3. Sep 10, 2007 #2
    is there a way you can write cos(x) in terms of sin(x)? hint sin^2(x) + cos^2(x) = 1

    then ask your self how would you solve 0 = 10y^2 -3y +1
     
    Last edited: Sep 10, 2007
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