document.write( "Question 41395This question is from textbook
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Algebra.Com's Answer #26729 by venugopalramana(3286)\"\" \"About 
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secxcos(-x) -sin2x
\n" ); document.write( "2 is sqared
\n" ); document.write( "DO YOU MEAN SEC(X)COS(-X)-{SIN(2X)}^2.....IF SO...THEN...
\n" ); document.write( "{(1/COS(X)}(C0S(X)-{SIN(X)}^2.SINCE COS(-X)=COS(X)
\n" ); document.write( "1-{SIN(2X)}^2={COS(2X)}^2
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