This is what i have taken from the post and individual research.
Positive Trigometric Values
"All Sl**s Take Cash"
(I) A = allCode:II | I -------- III | IV
(II) S = sin/csc
(III) T = tan/cot
(IV) C = sec/cos
I hate to say it, but it's easy to remember and it works.
thanks everybody for your input