Question

At which value will the graph of y= sec x have a zero?

A. pi/2

B. pi/4

C. pi/3

D. none of the above

***my answer: D. none of the above

because it doesn't have any zeros right??

Answer 1

Yes, as @jim_thompson5910 had already mentioned earlier ^.^

Again, this had better not be a quiz :)

Answer 2

hahah yup!! :)

and yeah it's not :) hw study guide thing :/ blechhh :( my teachers like giving them out :/

Answer 3

sec(x) = 1/cos(x)

Answer 4

which means no zeros then? :/

Answer 5

sec(x) = 0

1/cos(x) = 0

1 = 0

correct, no roots or zeros

Answer 6

awesome! thanks :)