document.write( "Question 929358: Let f (x) = (1/(x^2 sqrt(49 + x^2))\r
\n" );
document.write( "\n" );
document.write( "and g(t) = 7 tan (t)
\n" );
document.write( "for 0 < t < pi/2
\n" );
document.write( "
\n" );
document.write( "Find (f º g)(t) and simplify so that there are no radicals in the function. Write your answer in terms of sin(t) and cos(t).\r
\n" );
document.write( "\n" );
document.write( "(f º g)(t) =\r
\n" );
document.write( "\n" );
document.write( "THANKS!
\n" );
document.write( "Please explain
\n" );
document.write( "THANKS! \n" );
document.write( "
Algebra.Com's Answer #565018 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Let f (x) = (1/(x^2 sqrt(49 + x^2)) \n" ); document.write( "and g(t) = 7 tan (t) for 0 < t < pi/2\r \n" ); document.write( "\n" ); document.write( " Find (f º g)(t) and simplify so that there are no radicals in the function. Write your answer in terms of sin(t) and cos(t). \n" ); document.write( " (f º g)(t) = f[g(t)] = f[7*tan(t)] \n" ); document.write( "--------- \n" ); document.write( "= 1/[(7tan(t))^2*sqrt(49 + (7*tan(t))^2)] \n" ); document.write( "--------- \n" ); document.write( "= 1/[49tan^2(t)*sqrt(49 + 49tan^2(t)] \n" ); document.write( "--------- \n" ); document.write( "= 1/[49tan^2(t)*7sqrt(1+tan^2(t)] \n" ); document.write( "= 1/[49tan^2(t)*7sec(t)] \n" ); document.write( "= 1/[343 *sin^2(t)/cos^3(t)] \n" ); document.write( "------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "-------------- \n" ); document.write( " \n" ); document.write( " |