cosine of 138380 onehundredthirtyeightthousandthreehundredeighty

The cosine of 138380 is:

0.64237331764886

---

What is the cosine of a number?

Cosine belongs to the trigonometric functions of mathematics and is used among other things in geometry as a number.

The word cosine comes from Latin and is derived from "complementi sinus" - the complementary sine.

The cosine is used as a number, for example, in the triangle calculation of mathematics to calculate the complementary angle of the sine.

---