If in a triangle ABC, b=sqrt3, c=1 and B...

If in a triangle ABC, `b=sqrt3`, `c=1` and `B-C=90^0`, then angle A is

A

(a) `30^(@)`

B

(b) `45^(@)`

C

(c) `75^(@)`

D

(d) `15^(@)`

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The correct Answer is:

A

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