If sin alpha, cos alpha are the roots of...

If `sin alpha, 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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The correct Answer is:

A

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