1.

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

Answer»

Both I and II are TRUE
I is true , II is FALSE
I is false , II is true
Both I & II are false

ANSWER :B


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