document.write( "Question 397427: Find the exact value of sec(-210°) \n" ); document.write( "
Algebra.Com's Answer #281665 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Find the exact value of sec(-210°) \n" ); document.write( "sec = 1/cos \n" ); document.write( "cos(-210) = cos(210) = -sqrt(3)/2 \n" ); document.write( "sec = -2sqrt(3)/3 \n" ); document.write( " |