1.

If tan A and tan B are the roots of the quadratic equationx^(2)-px+q=0, then sin^(2)(A+B) is equal to

Answer»

<P>`(p^(2))/(p^(2)+Q^(2))`
`(p^(2))/((p+q)^(2))`
`1-(p)/((1-q)^(2))`
`(p^(2))/(p^(2)+(1-q)^(2))`

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