document.write( "Question 1148386: 0<×<360 cos2x=0.4 and tan3x is positive find values of x \n" ); document.write( "
Algebra.Com's Answer #769743 by Alan3354(69443)\"\" \"About 
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0<×<360 cos2x=0.4 and tan3x is positive find values of x
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\n" ); document.write( "2x = 66.42 degs
\n" ); document.write( "x = 33.21 degs
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\n" ); document.write( "2x = 293.58 degs
\n" ); document.write( "x = 146.29 degs
\n" ); document.write( "tan(x) is negative, NG
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