124k views
3 votes
Sines/ Cosines topic. In the triangle below round to the nearest tenth. Include explanation if possinle

Sines/ Cosines topic. In the triangle below round to the nearest tenth. Include explanation-example-1
User Vicky Gill
by
7.5k points

1 Answer

2 votes

By the law of sines,


(\sin90^\circ)/(17)=\frac{\sin y^\circ}9


\implies\sin y^\circ=\frac9{17}

(since
\sin90^\circ=1)


\implies y=\sin^(-1)\left(\frac9{17}\right)\approx32.0

User Noobed
by
8.4k points