2quad " If tan alpha and "tan beta" be the roots of "x^(2)-rho x+q=0" ,then find "cos2(alpha+beta)

If tan alpha and tan beta are the roots of x^(2) + ax + b = 0, then (sin (alpha + beta))/(sin alpha sin beta) is equal to

If tan alpha and tan beta are the roots of x^(2)+ax+b=0 then (sin (alpha+beta))/(sin alpha sin beta) is equal to ........... .

If tan alpha and tan beta are the roots of x^2 + ax +b =0 then (sin(alpha+beta))/(sin alpha sin beta) is equal to

If tan alpha, tan beta are the roots of the equation x^(2)+px+q=0 then sin^(2) (alpha+ beta)+ p sin(alpha+ beta) (cos+beta) +q cos^(2)(alpha+ beta)=

Q. If tan alpha and tan beta are the roots of equation x^2-12x-3=0 , then the value of sin^2(alpha+beta)+2sin(alpha+beta)cos(alpha+beta)+5cos^2(alpha+beta) is

If tan alpha tan beta are the roots of the equation x^(2)+px+q=0(p!=0) then

If tan(alpha/2) and tan(beta/2) are the roots of the equation 8x^2-26x+15=0 then cos(alpha+beta) is equal to