Posted by amanda on Wednesday, June 25, 2008 at 5:25pm.
how would you verify this trig identity
(1+cos(x) / 1cos(x))  (1cos(x) / 1+cos(x)) = 4cot(x)csc(x)
?
help please!

trig  bobpursley, Wednesday, June 25, 2008 at 6:59pm
get a common denominator on the left side and combine the two terms. Remember that 1cos^2 x = sin^2 x