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??

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??

terenzreignz · Answer

Yes, as @jim_thompson5910 had already mentioned earlier ^.^

Again, this had better not be a quiz :)

anonymous · Answer

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

jim_thompson5910 · Answer

sec(x) = 1/cos(x)

anonymous · Answer

which means no zeros then? :/

jim_thompson5910 · Answer

sec(x) = 0

1/cos(x) = 0

1 = 0

correct, no roots or zeros

anonymous · Answer

awesome! thanks :)