01-24-2012, 10:00 PM
1. (Sec x / Sin x) - (Sin x / Cos x) = Cot x
2 (Cos x / Sec x - 1) + (Cos x / Sec x - 1) = 2Cot ^ 2 x
^2 means squared
3. (Sin x + Cos x) (Tan x + Cot x) = Sec x + Csc x
I can't figure these three out.
Please help. Obviously, show work. Lol.
2 (Cos x / Sec x - 1) + (Cos x / Sec x - 1) = 2Cot ^ 2 x
^2 means squared
3. (Sin x + Cos x) (Tan x + Cot x) = Sec x + Csc x
I can't figure these three out.
Please help. Obviously, show work. Lol.
![[Image: jcXtui.png]](http://k.min.us/jcXtui.png)