Question 338497
{{{tan(x)/(sec(x)+1)=(sin(x)/cos(x))/(1/cos(x)+1)}}}
{{{tan(x)/(sec(x)+1)=(sin(x)/cos(x))/(1/cos(x)+cos(x)/cos(x))}}}
{{{tan(x)/(sec(x)+1)=sin(x)/(1+cos(x))}}}