Respuesta :

[tex]\bf \textit{Sum and Difference Identities} \\\\ sin(\alpha + \beta)=sin(\alpha)cos(\beta) + cos(\alpha)sin(\beta)\\\\ -------------------------------\\\\ sin(A+B)=(0.35)(0.81)~~+~~(0.94)(0.58) \\\\\\ sin(A+B)=0.2835+0.5452[/tex]

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