In a `DeltaABC`, if `2s=a+b+cand(s-b)(s-c)=xsin^(2).(A)/(2)`, then x =

In DeltaABC if 2s =a +b+c and (s-b)(s-c)=x" sin"^(2)(A)/(2) ,then the value of x is

Which of the following statements is true I In a DeltaABC if 4s(s-a)(s-b)(s-c)=a^(2)b^(2) then it is right angled triangle II in a DeltaABC the expression sinA+sinB+sinC is maximum then the triangle is equilateral

In Delta ABC, a^(2)(s-a)+b^(2)(s-b)+c^(2)(s-c)=

In Delta ABC, a^(2)(s-a)+b^(2)(s-b)+c^(2)(s-c)=

In Delta ABC, a^(2)(s-a)+b^(2)(s-b)+c^(2)(s-c)=

If s is the semi-perimeter of DeltaABC and if (s-a)/4=(s-b)/5=(s-c)/6,"then "sumsin^(2)(A/2)=

In triangleABC if c^2=a^2+b^2 then 4s(s-a)(s-b)(s-c)=

In Delta ABC, if c^2=a^2+b^2,2s=a+b+c , then 4s(s-a)(s-b)(s-c) =

In a DeltaABC , if cot.(A)/(2)cot.(B)/(2)=c , cot.(B)/(2)cot.(C )/(2)=a and cot.(C)/(2)cot.(A)/(2)=b , then (1)/(s-a)+(1)/(s-b)+(1)/(s-c) equals