This question was asked in Example 27
  • Why we take d/dx (sec x) =(tan x)(sec x) 
  • If we take d/dx (sec x)=(sec x )( tan x) then our answer is wrong or right
sachin baliyan's image
sachin baliyan
Jan. 28, 2018, 12:59 a.m.

Answer the question...

sachin baliyan's image