document.write( "Question 955794: Find the exact value of the following: \r
\n" );
document.write( "\n" );
document.write( "a) tan 65pi/6
\n" );
document.write( "b) cos 150 (degrees)
\n" );
document.write( "c) sin 225 (degrees)
\n" );
document.write( "d) sec 45pi/4 \n" );
document.write( "
Algebra.Com's Answer #583896 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Find the exact value of the following: \r \n" ); document.write( "\n" ); document.write( "a) tan 65pi/6 \n" ); document.write( "65pi/6 = 60pi/6 + 5pi/6 \n" ); document.write( "10pi = 5*2pi \n" ); document.write( "--> tan(5pi/6) \n" ); document.write( "============ \n" ); document.write( "b) cos 150 (degrees) \n" ); document.write( "Look up the unit circle. \n" ); document.write( "------------------ \n" ); document.write( "c) sin 225 (degrees) \n" ); document.write( "Look up the unit circle. \n" ); document.write( "---------- \n" ); document.write( "d) sec 45pi/4 \n" ); document.write( "40pi/4 = 5*2pi \n" ); document.write( "sec = 1/cos \n" ); document.write( "Look up the unit circle. \n" ); document.write( " \n" ); document.write( " |