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1.
A simple rule for differentiating and integrating sine and cosine functions

sin
cos
-sin
-cos

Go Down to Differentiate, up to integrate.
The top and bottom loop together
Stuart's Law
d/dx sin x= cos x
Integral of sin x = -cos x
by SERTeach March 17, 2009

Words related to Stuart's Law

cos cosine differentiate integrate sin sine