- #1
xxiangel
- 5
- 0
1. Cos x (sec x + cos x csc^2 x) = csc^2 x
I got as far as this... 1 + cos^2 + cos/sin^2 = csc^2
2. tan x(sin x + cot x cos x) = sec x
I got as far as this... 1 + cos^2 + cos/sin^2 = csc^2
2. tan x(sin x + cot x cos x) = sec x