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    Roots of a Quadratic Equation : If sin x and cos x are the roots of the equation...

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    If sinx and cosx are the roots of the equation

    ax^2 + bx + c = 0 then prove that a^2 - b^2 + 2ac = 0.

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    Solution Summary

    A proof involving trigonometric roots of a quadratic equation is provided. The solution is detailed and well presented.