Question

Which of the following values is not in the domain of y = tanx?


-pi/2
-pi/4
0
π

Answer 1

-pi/2

Answer 2

-pi/2

Answer 3

Principes is correct. Do you understand why?

Think about the graph and pull it up online. If you go to aproximately 1.6, you will see that there is an asymptote.

Answer 4

-pi/2

Answer 5

More generally, the points not included in your domain are the values where \(\cos x=0\) (Why?)

Answer 6

when denominator goes to zero , so that point is not in domain