If `A+B+C=360^(@) " then " tan""(A)/(2) + tan""B/2 + tan ""(C)/(2) = `

If A+B+C=180^(@) " then " tan^(2) ""(A)/(2) + tan^(2)""(B)/(2) + tan^(2)""(C)/(2) ge

If sin A : sin B : sin C = 3: 4: 5 then tan ""(A)/(2) : tan ""(B)/(2) : tan "" (C ) /(2) =

In Delta ABC, tan ""A/2 * tan ""(B)/(2) + tan""(B)/(2) * tan""(C)/(2) + tan ""(C)/(2)* tan""A/2=

If A+B + C = pi , show that : tan""(A)/(2) tan""(B)/(2) + tan""(B)/(2)tan""(C)/(2)+tan""(C)/(2)tan""(A)/(2) = 1 .

If A + B + C = 180^(@) , prove that tan ""(A)/(2) tan ""(B)/(2) + tan ""(B)/(2) tan""( C)/(2) +tan""(C)/(2) tan"" (A)/(2) = 1

If A+B+C=180^(@) , then tan^(2)""(A)/(2)+tan^(2)""(B)/(2)+tan^(2)""(C)/(2)=?

In any triangle ABC, the value of (b+c) tan ""A/2 tan ""(B-C)/(2)+ (c+a) tan ""B/2 tan ""(C-A)/(2) + (a+b) tan ""C/2 tan ""(A-B)/(2) is-

In Delta ABC ,(a+b+c) (tan ""(A)/(2) +tan ""(B)/(2) ) tan "" ( C) /(2) =

( a+b + c) [tan ""(A)/(2) + tan "" ( B)/(2) ] =

s^(2)tan((A)/(2))tan((B)/(2))tan((C)/(2))