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If tan alpha ,tan beta are th roots of...

If `tan alpha ,tan beta ` are th roots of the eqution `x^2+px+q=0 (p != 0)` Then `sin^2(alpha+beta)+p sin(alpha+beta)cos(alpha+beta)+qcos^2(alpha+beta)=`

A

independent of p but dependent on q

B

independent of q but dependent on p

C

independent of both p and q

D

dependent on both p and q

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The correct Answer is:
A
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