Question

What is the derivative of `sin(a/2 + d/2)/sin(a/2)`?

Answer 1

`d/dx sin(a/2+d/2)/sin(a/2) = 0`

Explanation:

Assuming that `a` and `d` are constants, then the entire expression is constant, thus:

`d/dx sin(a/2+d/2)/sin(a/2) = 0`