If x = alpha,beta satisfy both the equat...

If `x = alpha,beta` satisfy both the equations `cos^(2)x + acosx + b = 0` and `sin^(2)x + p""sinx + q = 0`, then the relation between a, b, p and q is :

`1 + b + a^(2) = p^(2) - q - 1`

`a^(2) + b^(2) = p^(2) + q^(2)`

`b + q = a^(2) + p^(2) - 2`

None of these.

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