## Fey Group Title what is the derivative of 4sin(x)? 2 years ago 2 years ago

1. Fey

I know the derivative of sine is cosine. but im not sure how to aply it

2. swissgirl

|dw:1351574751563:dw|

3. dumbcow

you can always factor out constants $\frac{d}{dx} 4\sin x = 4(\frac{d}{dx} \sin x) = 4\cos x$

4. Fey

oh yeah! i forgot :) thank u!

5. zordoloom

Just follow what @swissgirl has draw.

6. swissgirl

Actually lol follow what @dumbcow has written. I messed up with my dx/dy