document.write( "Question 764203: if cos(theta) =1/2 find value of 2 sec(theta) divided by 1 plus tan square (theta) \n" ); document.write( "
Algebra.Com's Answer #465278 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! if cos(theta) =1/2 find value of 2 sec(theta) divided by 1 plus tan square (theta) \n" ); document.write( "---- \n" ); document.write( "If cos(theta) = 1/2, x = 1 and r = 2 \n" ); document.write( "---- \n" ); document.write( "So y = sqrt[2^2-1^2] = sqrt(3) \n" ); document.write( "----- \n" ); document.write( "Therefore, sec(theta) = 2 \n" ); document.write( "and tan(theta) = sin/cos = (sqrt(3))/(1/2) = 2sqrt(3) \n" ); document.write( "--------------------------------- \n" ); document.write( "Your Problem: \n" ); document.write( "2*sec(theta)/[1 + tan^2(theta)] \n" ); document.write( "---- \n" ); document.write( "= 2(2)/(1 + (2sqrt(3))^2) \n" ); document.write( "--- \n" ); document.write( "= 4/[1+12] \n" ); document.write( "--- \n" ); document.write( "= 4/13 \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============== \n" ); document.write( " \n" ); document.write( " |