Question

What is the derivative of `picos((pit)/6)`?

Answer 1

`(-pi^2sin((pit)/6))/6`

Explanation:

Assuming we are differentiating with respect to `t`,
Because `pi` is a constant, only differentiate cos, then differentiate what's inside the bracket!
`pi xx -sin((pit)/6) xx (pi/6)`
= `(-pi^2sin((pit)/6))/6`