Initial program 14.7
\[r \cdot \frac{\sin b}{\cos \left(a + b\right)}\]
- Using strategy
rm Applied cos-sum0.3
\[\leadsto r \cdot \frac{\sin b}{\color{blue}{\cos a \cdot \cos b - \sin a \cdot \sin b}}\]
- Using strategy
rm Applied add-cube-cbrt0.5
\[\leadsto r \cdot \frac{\sin b}{\cos a \cdot \cos b - \color{blue}{\left(\left(\sqrt[3]{\sin a} \cdot \sqrt[3]{\sin a}\right) \cdot \sqrt[3]{\sin a}\right)} \cdot \sin b}\]
Applied associate-*l*0.5
\[\leadsto r \cdot \frac{\sin b}{\cos a \cdot \cos b - \color{blue}{\left(\sqrt[3]{\sin a} \cdot \sqrt[3]{\sin a}\right) \cdot \left(\sqrt[3]{\sin a} \cdot \sin b\right)}}\]
Final simplification0.5
\[\leadsto \frac{\sin b}{\cos a \cdot \cos b - \left(\sqrt[3]{\sin a} \cdot \sqrt[3]{\sin a}\right) \cdot \left(\sin b \cdot \sqrt[3]{\sin a}\right)} \cdot r\]