Initial program 4.1
\[\frac{\sin ky}{\sqrt{{\left(\sin kx\right)}^{2} + {\left(\sin ky\right)}^{2}}} \cdot \sin th\]
- Using strategy
rm Applied add-cube-cbrt4.7
\[\leadsto \frac{\sin ky}{\sqrt{{\left(\sin kx\right)}^{2} + {\color{blue}{\left(\left(\sqrt[3]{\sin ky} \cdot \sqrt[3]{\sin ky}\right) \cdot \sqrt[3]{\sin ky}\right)}}^{2}}} \cdot \sin th\]
Applied unpow-prod-down4.7
\[\leadsto \frac{\sin ky}{\sqrt{{\left(\sin kx\right)}^{2} + \color{blue}{{\left(\sqrt[3]{\sin ky} \cdot \sqrt[3]{\sin ky}\right)}^{2} \cdot {\left(\sqrt[3]{\sin ky}\right)}^{2}}}} \cdot \sin th\]
Simplified4.5
\[\leadsto \frac{\sin ky}{\sqrt{{\left(\sin kx\right)}^{2} + \color{blue}{\left(\sqrt[3]{\sin ky} \cdot \sin ky\right)} \cdot {\left(\sqrt[3]{\sin ky}\right)}^{2}}} \cdot \sin th\]
Final simplification4.5
\[\leadsto \frac{\sin ky}{\sqrt{{\left(\sin kx\right)}^{2} + \left(\sqrt[3]{\sin ky} \cdot \sin ky\right) \cdot {\left(\sqrt[3]{\sin ky}\right)}^{2}}} \cdot \sin th\]