Question

In ΔABC the sides AB and AC produced to D and E respectively. The bisectors of ∠DBC and ∠ECB intersect at point O. Prove that BOC=90°-1/2∠A.

PLEASE GUYS SOMEONE SOLVE THIS URGENTLY! I HAVE AN EXAM TOMORROW AND THIS IS A REAL BAD BOY!

Answer 1

in place of b it's c and in place of c it's b.
be careful
hope it helps
all the best for your exam,,,,,

Answer 2

my answer is wrong.i have done the problem wrong