Calcolatore Coseno — Formula

Cosine Function

Definition

In a right triangle, cos(angle) = adjacent / hypotenuse.

On the unit circle, cos(angle) is the x-coordinate of the point at that angle.

Key Values

Anglecos 0°1 30°√3/2 ≈ 0.8660 45°√2/2 ≈ 0.7071 60°0.5 90°0

Esempio Risolto

Calculate cos(60°).

  1. cos(60°) = 0.5
  2. sin(60°) = √3/2 ≈ 0.8660
  3. tan(60°) = √3 ≈ 1.7321