document.write( "Question 1079978: Rewrite as a single expression.\r
\n" ); document.write( "\n" ); document.write( "cos(10θ)cos(4θ) + sin(10θ)sin(4θ)\r
\n" ); document.write( "\n" ); document.write( "Select one:
\n" ); document.write( "a. cos(6θ)
\n" ); document.write( "b. cos(14θ)
\n" ); document.write( "c. sin(14θ)
\n" ); document.write( "d. sin(6θ) \n" ); document.write( "

Algebra.Com's Answer #694211 by ikleyn(52800) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "

\r\n" );
document.write( "=  = .\r\n" );
document.write( "

\r
\n" ); document.write( "\n" ); document.write( "Option a.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );