If in `DeltaABC, a=15, b = 36, c=39`, find `tan (A/2)`

If in Delta ABC,a=15,b=36,c=39, find tan((A)/(2))

In a DeltaABC , if a=18, b = 24, c=30 , find : tan (A/2) , tan( B/2), tan (C/2)

In DeltaABC, a=17,b=8,c=15 , find sinB/2 .

In DeltaABC, a=17,b=8,c=15 , find sinB/2 .

If in a triangle ABC, a = 15, b = 36, c =39, then sin""C/2 is equal to :a) sqrt(3)/2 b) 1/2 c) 1/sqrt(2) d) -1/sqrt(2)

In DeltaABC, a = 3, b = 5, c = 6 , find the value of : tan (A/2)

If in a triangle ABC , a=15 , b= 36 , c = 39 then sin"" (C )/(2) =

In a DeltaABC , if a=13,b =14, c =15, then sin(A/2)=

In DeltaABC , a:b:c=15:7:13 , find cosA.