document.write( "Question 914157: which of the following is co-terminal to 2pi/9\r
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document.write( "a) 20pi/9
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document.write( "b) -15pi/7
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document.write( "c) -17pi/9
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document.write( "d) pi/9 \n" );
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Algebra.Com's Answer #554931 by lwsshak3(11628) ![]() You can put this solution on YOUR website! which of the following is co-terminal to 2pi/9 \n" ); document.write( "a) 20pi/9 \n" ); document.write( "b) -15pi/7 \n" ); document.write( "c) -17pi/9 \n" ); document.write( "d) pi/9 \n" ); document.write( ".. \n" ); document.write( "co-terminal angle=-2π+2π/9=(-18/9)π+(2/9)π=-16π/9 \n" ); document.write( "(none of the answers above) \n" ); document.write( " |