In `DeltaABC`, if ` /_C = 90^0`, then prove that `tan (A/2) = sqrt((c-b)/(c+b)) = a/(b+c)`

In any Delta ABC,angleB=90^(@) , prove that "tan"(A)/(2)=sqrt((b-c)/(b+c))

In a DeltaABC , if B=3C , prove that (i) cosC=sqrt(((b+c)/(4c)))" (ii) "sin""A/2=(b-c)/(2c) .

In any DeltaABC , prove that : tan (A/2 + B) = (c+b)/(c-b) tan (A/2)

If in a DeltaABC , c = 3b and C - B = 90°, then tanB=

If in a DeltaABC , c = 3b and C - B = 90°, then tanB=

In any DeltaABC , prove that cot (A/2) + cot (B/2) + cot (C/2) = (a+b+c)/(b+c-a) cot (A/2)

In any DeltaABC , prove that: (a+b-c)/(a+b+c) = tan (A/2) tan (B/2)

In DeltaABC , prove that: s^(2).tan(A/2)tan(B/2)tan(C/2)=Delta

In any DeltaABC , prove that (i) tan""(B-C)/2=(b-c)/(b+c)cot""A/2 . (ii) If angleB=90^(@) , prove that tan(A/2)=sqrt(((b-c)/(b+c))) . (iii) If angleC=90^(@) , prove that tan((A−B)/2)/tan((A+B)/2)=(a-b)/(a+b) .

In DeltaABC , prove that: (a+b+c).(tan(A/2)+tan(B/2))=2c cot(C/2)