Observe the following Statements:1. In `DeltaABC, bos^2(C/2) +c cos^2(B/2) =s` II. In `DeltaABC, cot(A/2)=(b+c)/a=>B=90^@` Which of the following is correct?

Observe the following statements: (I) In !ABC,bcos^(2)C/2+ccos^(2)B/2=s , (II) In !ABCcotA/2=(b+c)/2rArrB=90^(@) Which of the following is correct?

Observe the following statements: (I) In !ABC,bcos^(2)C/2+ccos^(2)B/2=s , (II) In !ABCcotA/2=(b+c)/2rArrB=90^(@) Which of the following is correct?

In a DeltaABC, b cos^(2) (C/2) + c cos^(2) (B/2) is equal to

In a DeltaABC, b cos^(2) C/2 + c cos^(2) B/2 is equal to

In any DeltaABC, sum (b - c) cot A/2 =

In any DeltaABC, sum (b - c) cot A/2 =

In a DeltaABC , 2A(cot B + cot C)=

Statement -I : In Delta ABC , b cos ^(2) "" ( C)/(2) + c cos ^(2) ""( B)/(2) = s Statement -II Delta ABC , cot ""(A)/(2) = ( b+c)/( 2 ) rArr B = 90 ^(@) Which of the above statement is correct.