SOLUTION: Prove that sec(-x)/csc(-x)=-tanx

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Question 1002416: Prove that sec(-x)/csc(-x)=-tanx
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
sec(-x)/csc(-x) =
(1/cos(-x))/(1/sin(-x)) =
(1/cos(x))/(-1/sin(x)) =
-sin(x)/cos(x) =
- tan x