ESPRESSIONI GONIOMETRICHE ARCHI ASSOCIATI

Prof. Mauro La Barbera

  
sen(π – α) + sen(– α) + cos(π + α) – sen(3π/2 – α) – cos(3π/2 – α) =
sen(2π – α) + sen(π/2 – α) + cos(2π + α) – sen(3π/2 + α) – cos(– α) =
sen(2π + α) + cos(π/2 – α) + cos(2π – α) – sen(π/2 + α) + sen(– α) =
sen(π + α) + sen(2π – α) + cos(π – α) + sen(π/2 – α) – 2cos(3π/2 + α) =
cos(3π + α) + cos(5π/2 – α) + sen(4π – α) – cos(7π/2 + α) – sen(5π – α) =
3sen(360° – α°) – cos(270° + α°) + sen(360° + α°) – 5sen(180° + α°) =
cos(90° – α°) – sen(270° – α°) + sen(– α°) + 2sen(90° + α°) =
4sen(90° – α°) – 6sen(270° + α°) + cos(– α°) + cos(90° + α°) =