document.write( "Question 497005: Find the exact value of sin(23pi/3) \n" ); document.write( "
Algebra.Com's Answer #336635 by lwsshak3(11628)\"\" \"About 
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Find the exact value of sin(23pi/3)
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\n" ); document.write( "Working with degrees:
\n" ); document.write( "23π/3=23*60º=1380
\n" ); document.write( "1380-3*360=1380-1080=300
\n" ); document.write( "reference angle=60º in quadrant IV where sin is negative
\n" ); document.write( "sin(23pi/3)=-sin 60º=-√3/2
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\n" ); document.write( "\n" ); document.write( "Working with radians:
\n" ); document.write( "23π/3=21π/3+2π/3=7π+2π/3
\n" ); document.write( "Reference angle=2π/3 in quadrant IV where sin is negative
\n" ); document.write( "sin(23pi/3)=-sin (2π/3)=-√3/2 \n" ); document.write( "
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