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

 
Resource Type
Activity
Tags
cosine  derivative  secant  sine  slope 
Target Group (Age)
3 – 19+
Language
English
 
 
 
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