trig

[tall spoke]

Can I get some help with grade 12 trig

[midnight crystal]

First, what conditions would cause a function to be undefined at any given point?

[tall spoke]

@midnight crystal do u want me to take a pic of the answer key

@midnight crystal I was discussing with a friend and he said to use wavelengths

[midnight crystal]

That's an interesting answer. The way I'm trying to pose it is by thinking if functions in general. Whether or not it's a trig function, what kind of things happen in math that make something undefined?