Question

1
S
Jou is
7 lou
Cos²x = 3 sinal​

Answer 1

Step-by-step explanation:

This fragile material was papyrus, and it later came to be called paper.

9. About eighteen hundred years ago, a Chinese inventor made paper from bark and rags.

10. Chinese books were soon written on a paper; unfortunately, the knowledge of paper-making did not reach Europe for a thousand years.