Question

Short proof that sin(x)=sin(180-x)?

Answer 1

you know about the
\(\Large \sin (A+B)\)
formula ?

Answer 2

**
\(\sin (A-B)\)

Answer 3

I don't wanna remember too many identities. I just don't want to forget the sin(x)=sin(180-x). How can I see it graphicly in cartesian coordinates? :(