ESPRESSIONI GONIOMETRICHE

Prof. Mauro La Barbera

sen180° + 2cos90° + 2cos180° + 3sen90° – cos360° =0
3sen0° + 2cos270° – 4cos180° – 3sen90° + cos360° =2
2cos90° + 3sen90° – 2cos270° + 3sen360° – tg180° =3
2cos45° + sen45° – 2cos135° + 3sen225° + 2sen315° =0
sen30° + 2cos60° – cos300° – sen60° + cos60° =1
3sen360° – cos270° + tg360° – 5sen180° + 4cos0° =4
sen90° – 2cos180° + 3tg180° – ctg90° – cos540° =4
4cos²45° – 4sen²60° – 3tg²30° =– 2
sen3π + cos4π – senπ – cos6π – sen5π/2 =– 1
cos7π/2 + sen4π – sen6π – tg3π – cos3π =1