- Started with
\[\sin \left(x + \varepsilon\right) - \sin x\]
20.2
- Using strategy
rm 20.2
- Applied sin-sum to get
\[\color{red}{\sin \left(x + \varepsilon\right)} - \sin x \leadsto \color{blue}{\left(\sin x \cdot \cos \varepsilon + \cos x \cdot \sin \varepsilon\right)} - \sin x\]
13.5
- Applied associate--l+ to get
\[\color{red}{\left(\sin x \cdot \cos \varepsilon + \cos x \cdot \sin \varepsilon\right) - \sin x} \leadsto \color{blue}{\sin x \cdot \cos \varepsilon + \left(\cos x \cdot \sin \varepsilon - \sin x\right)}\]
13.5
- Using strategy
rm 13.5
- Applied flip-+ to get
\[\color{red}{\sin x \cdot \cos \varepsilon + \left(\cos x \cdot \sin \varepsilon - \sin x\right)} \leadsto \color{blue}{\frac{{\left(\sin x \cdot \cos \varepsilon\right)}^2 - {\left(\cos x \cdot \sin \varepsilon - \sin x\right)}^2}{\sin x \cdot \cos \varepsilon - \left(\cos x \cdot \sin \varepsilon - \sin x\right)}}\]
13.6
- Using strategy
rm 13.6
- Applied add-cbrt-cube to get
\[\frac{\color{red}{{\left(\sin x \cdot \cos \varepsilon\right)}^2 - {\left(\cos x \cdot \sin \varepsilon - \sin x\right)}^2}}{\sin x \cdot \cos \varepsilon - \left(\cos x \cdot \sin \varepsilon - \sin x\right)} \leadsto \frac{\color{blue}{\sqrt[3]{{\left({\left(\sin x \cdot \cos \varepsilon\right)}^2 - {\left(\cos x \cdot \sin \varepsilon - \sin x\right)}^2\right)}^3}}}{\sin x \cdot \cos \varepsilon - \left(\cos x \cdot \sin \varepsilon - \sin x\right)}\]
22.8
- Applied taylor to get
\[\frac{\sqrt[3]{{\left({\left(\sin x \cdot \cos \varepsilon\right)}^2 - {\left(\cos x \cdot \sin \varepsilon - \sin x\right)}^2\right)}^3}}{\sin x \cdot \cos \varepsilon - \left(\cos x \cdot \sin \varepsilon - \sin x\right)} \leadsto \frac{2 \cdot \left(\varepsilon \cdot \left(\sin x \cdot \cos x\right)\right) - \left(\frac{1}{3} \cdot \left({\varepsilon}^{3} \cdot \left(\sin x \cdot \cos x\right)\right) + \left({\varepsilon}^2 \cdot {\left(\sin x\right)}^2 + {\varepsilon}^2 \cdot {\left(\cos x\right)}^2\right)\right)}{\sin x \cdot \cos \varepsilon - \left(\cos x \cdot \sin \varepsilon - \sin x\right)}\]
2.1
- Taylor expanded around 0 to get
\[\frac{\color{red}{2 \cdot \left(\varepsilon \cdot \left(\sin x \cdot \cos x\right)\right) - \left(\frac{1}{3} \cdot \left({\varepsilon}^{3} \cdot \left(\sin x \cdot \cos x\right)\right) + \left({\varepsilon}^2 \cdot {\left(\sin x\right)}^2 + {\varepsilon}^2 \cdot {\left(\cos x\right)}^2\right)\right)}}{\sin x \cdot \cos \varepsilon - \left(\cos x \cdot \sin \varepsilon - \sin x\right)} \leadsto \frac{\color{blue}{2 \cdot \left(\varepsilon \cdot \left(\sin x \cdot \cos x\right)\right) - \left(\frac{1}{3} \cdot \left({\varepsilon}^{3} \cdot \left(\sin x \cdot \cos x\right)\right) + \left({\varepsilon}^2 \cdot {\left(\sin x\right)}^2 + {\varepsilon}^2 \cdot {\left(\cos x\right)}^2\right)\right)}}{\sin x \cdot \cos \varepsilon - \left(\cos x \cdot \sin \varepsilon - \sin x\right)}\]
2.1
- Applied simplify to get
\[\frac{2 \cdot \left(\varepsilon \cdot \left(\sin x \cdot \cos x\right)\right) - \left(\frac{1}{3} \cdot \left({\varepsilon}^{3} \cdot \left(\sin x \cdot \cos x\right)\right) + \left({\varepsilon}^2 \cdot {\left(\sin x\right)}^2 + {\varepsilon}^2 \cdot {\left(\cos x\right)}^2\right)\right)}{\sin x \cdot \cos \varepsilon - \left(\cos x \cdot \sin \varepsilon - \sin x\right)} \leadsto \frac{\left(\cos x \cdot \sin x\right) \cdot \left(\varepsilon \cdot 2 - \frac{1}{3} \cdot {\varepsilon}^3\right) - \left(\varepsilon \cdot \varepsilon\right) \cdot 1}{\sin x \cdot \cos \varepsilon - \left(\cos x \cdot \sin \varepsilon - \sin x\right)}\]
2.1
- Applied final simplification
- Applied simplify to get
\[\color{red}{\frac{\left(\cos x \cdot \sin x\right) \cdot \left(\varepsilon \cdot 2 - \frac{1}{3} \cdot {\varepsilon}^3\right) - \left(\varepsilon \cdot \varepsilon\right) \cdot 1}{\sin x \cdot \cos \varepsilon - \left(\cos x \cdot \sin \varepsilon - \sin x\right)}} \leadsto \color{blue}{\frac{\left(\sin x \cdot \left(\cos x \cdot \varepsilon\right)\right) \cdot \left(2 - \left(\varepsilon \cdot \varepsilon\right) \cdot \frac{1}{3}\right) - \varepsilon \cdot \varepsilon}{\sin x \cdot \cos \varepsilon - \left(\cos x \cdot \sin \varepsilon - \sin x\right)}}\]
2.1