This is the 8104th most frequent Portuguese word.
sine
In Portuguese, "sine" refers to the national employment system (Sistema Nacional de Emprego).
Trigonometry in mathematics.
O valor do seno de 90 graus é um.
The sine value of 90 degrees is one.
A typo confounding 'seno' with 'sino'.
O sino da igreja tocou ao meio-dia.
The church's bell rang at noon.
Mathematical education reference.