If `cos(A-B)=(5)/(13) and sin(A+B)=(4)/(5)`, then find sin2B.

If 0 lt A, B lt 90^(@), cos A= (5)/(13) and sin B =(4)/(5) then find sin (A+B) .

If cos A =(5)/(13) , and sin B=(4)/(5) , find sin (A+B), where A,B,(A+B) are positive acute angles.

IF sin(A-B)= 3/5 and sin(A+B)= 4/5 then find sin2A=……..

If A>0^@ , B<90^@ , such that cos A=(5)/(13) and sin B=(4)/(5) , then the value of sin(A-B)

If cos A=5/13 and sin B= 4/5 , find sin (A + B), where A, B, (A + B) are positive acute angles.

If sinA=(4)/(5)andcosB=(5)/(13) , where 0ltA,Blt(pi)/(2) then find (i) sin(A+B) (ii) cos(A-B) .

If cos(A-B)=(3)/(5) andtan Atan B=2, then cos A cos B=(1)/(5)(b)sin A sin B=-(2)/(5)cos A cos B=-(1)/(5)(d)sin A sin B=-(1)/(5)