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Neko [114]
3 years ago
12

Sines/ Cosines topic. In the triangle below round to the nearest tenth. Include explanation if possinle

Mathematics
1 answer:
vredina [299]3 years ago
4 0

By the law of sines,

\dfrac{\sin90^\circ}{17}=\dfrac{\sin y^\circ}9

\implies\sin y^\circ=\dfrac9{17}

(since \sin90^\circ=1)

\implies y=\sin^{-1}\left(\dfrac9{17}\right)\approx32.0

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