Derivative of Sine

The derivative of sine is, famously, cosine. But how could we know? Compare cosine (x-coordinate of A) to the ratio d(sin t)/dt, handily computed for you. Try smaller and smaller dt's. What happens?

 

John Golden

 
Type de ressources
Activité
Balises
cosine  derivative  secant  sine  slope 
Tranche d'âges
3 – 19+
Langue
English
 
 
 
© 2026 International GeoGebra Institute