Trigonometric Ratios of 90° − θ

Move point P to observe how the point corresponding to θ moves, and how point Q corresponding to 90° − θ moves. Think about how the trigonometric ratios of 90° − θ can be expressed using the trigonometric ratios of θ. You can also move the slider to switch the display mode.
Voir l'Activité Voir l'Activité

 

Kenichi Iijima —

 
Type de ressources
Activité
Balises
class  cosine  sine  trigonometric-functions 
Tranche d'âges
3 – 19+
Langue
English
 
 
 
© 2026 International GeoGebra Institute