document.write( "Question 1030470: I have to find the exact value for this trigonometric expression. Help? :(
\n" );
document.write( "cos^-1 (cos (7π/6)) = ?? \n" );
document.write( "
Algebra.Com's Answer #645340 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "cos^-1 = 1/cos(7π/6) \n" ); document.write( "= -2√3/3 \n" ); document.write( "Hope this is what you want. \n" ); document.write( " |