#### Answer

$\frac{sine β}{8.1}$ = $\frac{sine 86°}{8.4}$

#### Work Step by Step

Given b=8.1, c=8.4, γ=86°
Using theorem 11.4.2
By law of sines
$\frac{sine β}{b}$ = $\frac{sine γ}{c}$
$\frac{sine β}{8.1}$ = $\frac{sine 86°}{8.4}$

Published by
Brooks Cole

ISBN 10:
9781285195698

ISBN 13:
978-1-28519-569-8

$\frac{sine β}{8.1}$ = $\frac{sine 86°}{8.4}$

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