- Started with
\[\sin \left(x + \varepsilon\right) - \sin x\]
19.5
- Using strategy
rm 19.5
- Applied sin-sum to get
\[\color{red}{\sin \left(x + \varepsilon\right)} - \sin x \leadsto \color{blue}{\left(\sin x \cdot \cos \varepsilon + \cos x \cdot \sin \varepsilon\right)} - \sin x\]
12.5
- Applied associate--l+ to get
\[\color{red}{\left(\sin x \cdot \cos \varepsilon + \cos x \cdot \sin \varepsilon\right) - \sin x} \leadsto \color{blue}{\sin x \cdot \cos \varepsilon + \left(\cos x \cdot \sin \varepsilon - \sin x\right)}\]
12.5
- Using strategy
rm 12.5
- Applied add-cube-cbrt to get
\[\color{red}{\sin x \cdot \cos \varepsilon} + \left(\cos x \cdot \sin \varepsilon - \sin x\right) \leadsto \color{blue}{{\left(\sqrt[3]{\sin x \cdot \cos \varepsilon}\right)}^3} + \left(\cos x \cdot \sin \varepsilon - \sin x\right)\]
18.8
- Applied taylor to get
\[{\left(\sqrt[3]{\sin x \cdot \cos \varepsilon}\right)}^3 + \left(\cos x \cdot \sin \varepsilon - \sin x\right) \leadsto \left(\sin x - \frac{1}{2} \cdot \left({\varepsilon}^2 \cdot \sin x\right)\right) + \left(\cos x \cdot \sin \varepsilon - \sin x\right)\]
12.1
- Taylor expanded around 0 to get
\[\color{red}{\left(\sin x - \frac{1}{2} \cdot \left({\varepsilon}^2 \cdot \sin x\right)\right)} + \left(\cos x \cdot \sin \varepsilon - \sin x\right) \leadsto \color{blue}{\left(\sin x - \frac{1}{2} \cdot \left({\varepsilon}^2 \cdot \sin x\right)\right)} + \left(\cos x \cdot \sin \varepsilon - \sin x\right)\]
12.1
- Applied simplify to get
\[\left(\sin x - \frac{1}{2} \cdot \left({\varepsilon}^2 \cdot \sin x\right)\right) + \left(\cos x \cdot \sin \varepsilon - \sin x\right) \leadsto \left(\cos x \cdot \sin \varepsilon - \left(\sin x - \sin x\right)\right) - \sin x \cdot \left(\left(\varepsilon \cdot \varepsilon\right) \cdot \frac{1}{2}\right)\]
0.1
- Applied final simplification
- Applied simplify to get
\[\color{red}{\left(\cos x \cdot \sin \varepsilon - \left(\sin x - \sin x\right)\right) - \sin x \cdot \left(\left(\varepsilon \cdot \varepsilon\right) \cdot \frac{1}{2}\right)} \leadsto \color{blue}{\sin \varepsilon \cdot \cos x - \left(\frac{1}{2} \cdot \varepsilon\right) \cdot \left(\sin x \cdot \varepsilon\right)}\]
0.1