Asked by Anonymous
                All solutions in interval [0,2pi) of cosine theta plus one equals zero
            
            
        Answers
                    Answered by
            Reiny
            
    cosØ + 1 = 0
cosØ = -1
look at the standard cosine curve to see that
Ø = π
    
cosØ = -1
look at the standard cosine curve to see that
Ø = π
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