Question

sec(-13pi)

Answer 1

Do you know what the secant is?

Answer 2

1/cos

Answer 3

reciprocal identity?

Answer 4

Yes. So it would be 1/cos(-13 pi)

Answer 5

yeah but what do you do to make it = -1?

Answer 6

Why do you think it needs to be equal to -1?

Answer 7

bc thats what the answer key says

Answer 8

Well first, what is the cosine of -13 pi?

Answer 9

i dont know

Answer 10

Think about it.

Answer 11

nvm i dont have time to go through an entire question by question.

Answer 12

Then you're not going to do well on the test. Take the time now. Put in the effort. And you will be rewarded. This question really isn't that hard. It just takes a few minutes of thought.