Question #d0c3c
1 Answer
Sep 27, 2017
-sin x
Explanation:
Sin x and cos x work as thus.
If
In other words, every 4thmderivative is the original function, as is the eighth, the twelfth, etc. (Note that if we have
The highest multiple of 4 in our exponent is 84, so we can essentially ignore that part for the derivative.