In a ∆ABC, if b=3, c=1 and B–C=π2, then A = ______________.

1.	In a ∆ABC, if b=3, c=1 and B–C=π2, then A = ______________.
Answer» In a ∆ABC, if $b = \sqrt{3}, c = 1$ and $B - C = \frac{π}{2},$ then A = ______________.

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