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

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) .

If in Delta ABC , angle C = 90 ^(@) , prove that : sqrt((1-sin A)/(1+cos B))= sec A -cot B

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

If in Delta ABC , angle C = 90 ^(@) prove that: ( 1+ tan A)/(1- cot B) xx (1- tan A)/(1+ cot B) =1.

In any Delta ABC, sum a sin (B -C) =

In any triangle , prove that ((b-c)/( b+c)) cot ""(A)/(2) +((b+c)/(b-c)) tan ""(A)/(2) = 2 cosec (B-C)

In any Delta ABC , prove that a(bcosC-c""cosB)=b^(2)-c^(2) .

If in a triangle A B C angle B=90^0 then tan^2(A/2) is (b-c)/a (b) (b-c)/(b+c) (c) (b+c)/(b-c) (d) (b+c)/a

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

For any triangle ABC, prove that sin(B-C)/2=(b-c) /a ( cosA/2)