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andrew-mc [135]
3 years ago
9

Can someone help me please

Mathematics
1 answer:
Vladimir [108]3 years ago
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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