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October 7, 2015
Posted by **Bill** on Monday, October 15, 2012 at 10:29pm.

- Calculus -
**Reiny**, Monday, October 15, 2012 at 11:08pmlet y = sin (3x+1)^4

dy/dx = cos (3x+1)^4 * 4(3x+1)^3 * 3

= 12(3x+1)^3 cos (3x+1)^4

I took the problem exactly the way you typed it.

another interpretation would be

(sin (3x+1) )^4 , but needing the brackets as shown