Question

Is everything on this document correct?

Answer 1

I found this document online about graphing cosine function, but before I read it and start learning I'd like to know if everything on it is correct. document attached

Answer 2

I'll answer this if you answer mine

Answer 3

i'm not really sure but i think yes

Answer 4

How do you tell that fast?

Answer 5

@mathmale

Answer 6

I noticed something not quite sufficient in Question 3 No a when they asked about the domain you should also say that it represents the x values in the functions

Answer 7

other than that i hadn't notice anything incorrect.,.

Answer 8

@AloneS @mathmale @pooja195 @sleepyjess

Answer 9

@Nnesha

Answer 10

Well done! :)
All correct.
Perhaps for 3d, you could clarify that the zeroes are x=-270, ...270 within the interval [-360,360].