- #1
LordofDirT
- 15
- 0
Im supposed to verify that (1-sinx)/(1+sinx) = (secx-tanx)^2
RHS = (secx-tanx)^2 = (1/cosx - sinx/cosx)^2 = [(1-sinx) / cosx]^2
= [(1-sinx)(1-sinx)]/cosx^2 = (1-2sinx+sinx^2)/(1-sinx^2)
From here, I'm feeling pretty confused. I'm not even sure if all my values are correct.
RHS = (secx-tanx)^2 = (1/cosx - sinx/cosx)^2 = [(1-sinx) / cosx]^2
= [(1-sinx)(1-sinx)]/cosx^2 = (1-2sinx+sinx^2)/(1-sinx^2)
From here, I'm feeling pretty confused. I'm not even sure if all my values are correct.