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Math Help - Trigo-equation

  1. #1
    Super Member dhiab's Avatar
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    Trigo-equation

    Solve in R this equation :
     <br />
2\cos (x)+\sin (x)=2<br />
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  2. #2
    Flow Master
    mr fantastic's Avatar
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    Quote Originally Posted by dhiab View Post
    Solve in R this equation :
     <br />
2\cos (x)+\sin (x)=2<br />
    Re-write in the form \sqrt{5} \sin( x + \phi) = 2 where \phi is left for you to find.
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