## Trigonometry (11th Edition) Clone

$\approx 67.1^{o}\quad(67^{o}6^{\prime})$
Draw a sketch (see below) SOHCATOA: $\displaystyle \sin\theta=\frac{71.3}{77.4}$ $\displaystyle \theta=\sin^{-1}(\frac{71.3}{77.4})\approx 67.1004748523^{o}$ $\approx 67.1^{o}\approx 67^{o}6^{\prime}$ .