document.write( "Question 1030474: I have to find the exact value for this trigonometric expression. Help? :(
\n" );
document.write( "tan(cos^-1 (1/3)) = ?? \n" );
document.write( "
Algebra.Com's Answer #645339 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! Draw a triangle where the angle has a cosine of 1/3. The opposite side must be sqrt(8) or 2sqrt(2). Thus the tangent must be 2*sqrt(2)/1 = 2*sqrt(2). \n" ); document.write( " |