3 years ago

Trigonometric Identities and Applications plz help

1 answer:

6 0

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

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