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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.

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