3 years ago

Can someone help me please

1 answer:

8 0

$a) \: \cos(39°) = \frac{x}{7} \Leftrightarrow x = 7\cos(39°) \approx5.44 \\ b) \: \sin(46°) = \frac{8}{x} \Leftrightarrow x = \frac{8}{\sin(46°)} \approx11.12$

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