Question

The y-value of y = tan(x) when x = -90° and x = 90° is 0. True False

Answer 1

We know, Tanx = sinx / cosx
Tan 90 = sin90 / cos 90
Tan 90 = 1/0

As zero is in the denominator, it can't be defined.

In short, Your Answer would be: "False"

Hope this helps!