If $\sin \alpha$ and $\cos \alpha$ are the roots of the equation $ax^2 + bx + c = 0$,then:

  • A
    $a^2 - b^2 + 2ac = 0$
  • B
    $(a - c)^2 = b^2 + c^2$
  • C
    $a^2 + b^2 - 2ac = 0$
  • D
    $a^2 + b^2 + 2ac = 0$

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