---

excalidraw-plugin: parsed
tags: [excalidraw]

---
==⚠  Switch to EXCALIDRAW VIEW in the MORE OPTIONS menu of this document. ⚠==


# Text Elements

# Embedded files
77166ae29a63845d4418b04cb159a110e26370ff: $$\text{d}x$$
8d6879b56ff940337aa1ed5b8f8ec2c50cc192ef: $$\text{d}y$$
fb1af04e65b11c54eaa85c142ce9215ad45ee487: $$\theta$$
54a7f88efc5fcdd5110d45a1af4bfdfb52752909: $$\text{d}\theta$$
a777b7235da3038bf485e72a9d8b886b67559079: $$\mathbf{r}$$
1790000644b769afd116a5c3fc1b4f239b351787: $$\text{d}\mathbf{r}$$
3fa03b945d62c2718f9fc4a62eca0897b33c702b: $$\mathbf{r}\text{d}\mathbf{r}\text{d}\theta$$
b5fb4eab4d1ed5e38ca086d5a91e6ef637fae397: $$\text{d}x\text{d}y$$

%%
# Drawing
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