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

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Answer 1 · 2017-12-04T12:40:46

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

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

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

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