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I understand the process. thanks..
cotx+tanx -1
the right side of the equation is:
cotx/1-tanx + tan/ 1-cotx
correct?
?
cos x - 2sin x cosx / cos^2x-sin^2x+sinx-1
Is the cos (x) the completed identity?
thnks
1/cos^2x - 1/cot^2x
do you get a solution 1 when completing the identity?
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