document.write( "Question 1191433: Use double or half angle formula to determine the value of the trigonometric function sin(5pi/12)
\n" ); document.write( "Do you know how to solve this? \n" ); document.write( "

Algebra.Com's Answer #823234 by ikleyn(52803) $\"\"$ $\"About$

You can put this solution on YOUR website!
.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"%285pi%29%2F12\"$ = $\"5%2A%28180%2F12%29\"$ degrees = = 5*15 degrees = 75 degrees.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"sin%2875%5Eo%29\"$ is found in the lesson \r
\n" ); document.write( "\n" ); document.write( " - Calculating trigonometric functions of angles\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "in this site.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "It uses the formula 75° = 45° + 30° and the formula of adding arguments for sine.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );