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Answers by Gina P.

To find the percentage you need to do: 52000/1200000 and multiply that by 100%. That is: 52000/120000 = 0.043 X 100 = 4.3%   Gina

First we should try to simplify this by finding the LCM: 1/1-cosx + 1/1+cosX=                  [1+cosx+1-cosx]/(1-cosx)(1+cosx). I got this by finding the LCM which is (1-cosx)*(1+cosx). This simplifies to: 2/[1-(cosx)^2]...