In a \( \triangle A B C \), if \( a^{2} \sin B=b^{2}+c^{2} \), then:
(a) \( \angle A \) is obtus... VIDEO
In a \( \triangle A B C \), if \( a^{2} \sin B=b^{2}+c^{2} \), then:https://bit.ly/YTAI_PWAP https://www.pw.live
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