Question

(____)^2=(secx-1)(secx+1)

Answer 1

what does this also equal

Answer 2

$$y^2 = (\sec x - 1)(\sec x + 1)
= \sec^2 x - 1
= \tan^2 x$$

Answer 3

so tanx is the answer?

Answer 4

no

Answer 5

hmm...

Answer 6

??? why no???

Answer 7

im pretty sure it is tanx

Answer 8

I am with you, OK, if you fail, me too. You are not alone, hehehehe

Answer 9

haha great

Answer 10

Please, be aware of the fact that your credit is real while mine is fake. hehehhe