f(x)=sinx+tanxan=a1+(n-1)df(a1)=sina1+tana1f(a2)=sin(a1+d)+tan(a1+d)f(a3)=sin(a1+2d)+tan(a1+3d)..f(a26)=sin(a1+25d)+tan(a1+25d)f(a27)=sin(a1+26d)+tan(a1+26d)f(a1)+f(a27)=sina1+sin(a1+26d)+tana1+tan(a1...