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Two chords \(AB\) and \(AC\) of a circle subtends angles equal to \(90^º\) and \(150^º\), respectively at the centre. Find \(∠BAC\), if \(AB\) and \(AC\) lie on the opposite sides of the centre.
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This is a self assessment task. Solve this question and assess the solution steps after the completion of test on your own.