document.write( "Question 257084: exact value of sin(7pi/6) \n" ); document.write( "
Algebra.Com's Answer #189048 by drk(1908)![]() ![]() ![]() You can put this solution on YOUR website! sin(7pi/6) is the same thing as sin(pi/6) but in Quadrant III. \n" ); document.write( "sin(pi/6) = 1/2 \n" ); document.write( "Sin is negative in quadrant III, so, \n" ); document.write( "sin(7pi/6) = -1/2 \n" ); document.write( " |