Question

lf tantita=x-1/4x then find the value of sectita-tantita​

Answer 1

tanx=x-1/4x

      =4x^2-1/4x

tanx=sinx/cosx=4x^2-1/4x

secx=1/cosx=1/4x

secx-tanx=1/4x-4x^2-1/4x

                1-4x^2+1/4x

               2+4x^2/4x

              2(1+2x^2)/4x

              1+2x^2/2x