SOLUTION: prove that (1/(1+cos x))-(1/(1-cos x))= 2 cosec x cot x

Algebra ->  Trigonometry-basics -> SOLUTION: prove that (1/(1+cos x))-(1/(1-cos x))= 2 cosec x cot x      Log On


   

Question 973017: prove that (1/(1+cos x))-(1/(1-cos x))= 2 cosec x cot x
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
prove that (1/(1+cos x))-(1/(1-cos x))= 2 cosec x cot x
===============
Someone did this one yesterday.