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Trigonometry, SMC-051

Solve for \(b\), giving your answer correct to 1 decimal place.

\(\dfrac{b}{\sin 22^{\circ}} =  \dfrac{17}{\sin 67^{\circ}}\)  (2 marks)

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\(b=6.9\)

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\(\dfrac{b}{\sin 22^{\circ}}\) \(= \dfrac{17}{\sin 67^{\circ}}\) 
\(b\) \(=\dfrac{17 \times \sin 22^{\circ}}{\sin 67^{\circ}}\)
  \(=6.9\ \text{(to 1 d.p.)}\)

Filed Under: Non Right-Angled Trig Tagged With: num-title-ct-pathc, smc-4553-20-Sine Rule

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