Respuesta :

mathmate
sine is an odd function, meaning that sin(-x)=-sin(x)  ∀ x ∈ R.
=>
sin(-t)-sin(t)=-sin(t)-sin(t)=-2sin(t)=-2a
hello buddy 
how is your day going 
so this is a hard one and I'm not the best at math but I'm going to try to help u with this(:
so lets look at it this way sin(-t)-sin(t)=-sin(t)-sin(t)=-2
do u get it?
so the answer to this is going to be no other than 
 
drum roll 
it is going to be 
sin(t)=-2a


hope that l helped u
if not plz let me know 
-toby out!