document.write( "Question 922382: find the exact value of sin (pi/12) \n" ); document.write( "

Algebra.Com's Answer #559518 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
\n" );
document.write( "Hi
\n" );
document.write( "sin (pi/12) = sin ( pi/4-pi/6) ) = sin (45)· cos (30)- cos( 45)· sin (30) = (√2/2)·(√3 /2 ) - (√2/2)·(1/2)= (√6-√2)/4
\n" );
document.write( "..........
\n" );
document.write( "θ	radians	sin θ	cos θ	tan θ
\n" );
document.write( "0°	0	0	1	0
\n" );
document.write( "30°	π/6	1/2	√3/2	√3/3
\n" );
document.write( "45°	π/4	√2/2	√2/2	1
\n" );
document.write( "60°	π/3	√3/2	1/2	√3
\n" );
document.write( "90°	π/2	1	0	─
\n" );
document.write( " \n" );
document.write( "

\n" );