If \( \sin \phi \) and \( \cos \phi \) are the roots of the equation \( a x^{2}+b x+c=0 \), then... VIDEO
If \( \sin \phi \) and \( \cos \phi \) are the roots of the equation \( a x^{2}+b x+c=0 \), thenhttps://bit.ly/YTAI_PWAP https://www.pw.live
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