Question

What are the values of x when tan(x) is undefined?
Answers
-270°, -90°, 90°, and 270°
-270°, -90°, 0°, 90°, and 270°
-360°, -180°, 0°, 180°, and 360°
-360°, 0° and 360°

Answer 1

its the first one yeah?

Answer 2

the first one, you can easily just plug the numbers into you calculator and if it says math error than it means its undefined! or you can look at your unit circle and see where tan is undefined like 90 deg because 1/0 is undefined and so on.

Answer 3

thx(: