Observe the following statements (I) In \triangle A B C, b \cos ^2 \frac{C}{2}+c \cos ^2 \frac{B}{2}=s (II) In \triangle A B C, \cot \frac{A}{2}=\frac{b+c}{2} \Rightarrow B=90^{\circ} Which of the following is correct?

Correct Answer is : I is true, II is false.

EAMCET Engineering 2008 Solved Paper

Section: Mathematics

Question : 112 of 160

Marks: +1, -0

Observe the following statements
(I) In △ABC,bcos2‌

+ccos2‌

=s
(II) In △ABC,cot‌

=‌

b+c

⇒B=90∘
Which of the following is correct?

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