\( \sin ^{2} \theta=\frac{(x+y)^{2}}{4 x y} \), where \( x \in R \), gives real \( \theta \) if ... VIDEO
\( \sin ^{2} \theta=\frac{(x+y)^{2}}{4 x y} \), where \( x \in R \), gives real \( \theta \) if and only ifhttps://bit.ly/YTAI_PWAP https://www.pw.live
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