document.write( "Question 1073060: Estimate θ if
\n" ); document.write( "cos θ = −0.4
\n" ); document.write( "and 0 ≤ θ < 2π. (Enter your answers as a comma-separated list. Round your answers to one decimal place.)
\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #688002 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
Use your calculator acos or cos^(-1) function.
\n" ); document.write( "Remember there are two solutions in that range, use symmetry.
\n" ); document.write( " \n" ); document.write( "

\n" );