Asked by Ellie
                Solve the equation for 0≤ x ≤ 180 given             tan(x) sin^2(x)=2tan(x)
How do I do this? Thank you and Merry Christmas! :)
            
        How do I do this? Thank you and Merry Christmas! :)
Answers
                    Answered by
            Steve
            
    tan(x) sin^2(x)=2tan(x)
tanx(sin^2(x)-2) = 0
How about now?
    
tanx(sin^2(x)-2) = 0
How about now?
                    Answered by
            Ms. Elana
            
    I tried to continue the problem, but I'm stuck. What do I do from tanx(sin^2(x)-2) = 0 ?
    
                    Answered by
            Steve
            
    oh come on. If ab=0, then either a=0 or b=0
So, we have
tanx = 0 --> x is a multiple of pi
or
sin^2(x) = 2 --> no solutions there.
    
So, we have
tanx = 0 --> x is a multiple of pi
or
sin^2(x) = 2 --> no solutions there.
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