document.write( "Question 1002416: Prove that sec(-x)/csc(-x)=-tanx \n" ); document.write( "
Algebra.Com's Answer #619349 by fractalier(6550)\"\" \"About 
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sec(-x)/csc(-x) =
\n" ); document.write( "(1/cos(-x))/(1/sin(-x)) =
\n" ); document.write( "(1/cos(x))/(-1/sin(x)) =
\n" ); document.write( "-sin(x)/cos(x) =
\n" ); document.write( "- tan x
\n" ); document.write( "
\n" );