Recent content by TKDKicker89

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    Solving the Quadratic Equation: sq.rt.(-x^2-4x-3)

    I'm having some trouble figuring out how to simplify the following problem. I know that i= the sq root of -1, and that i^2=-1, but I'm not sure how to approach this problem. sq.rt.(-x^2-4x-3)
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    Trig - Help with tan(arccos(x/3))

    [FONT=Lucida Sans Unicode]Can anyone help asap? tan(arccos x/3) THanks