A maths - Integration

• anpanman

  25 Mar 09, 21:48

  Have serious problem solving this integration question. (though I think it should be an easy one) Please, if possible, show me the step-by-step method for solving this question. Thank you very much! Urgent help needed! (:

  Show that the given equation is equal to pi/4 + 1

   

  

   

• charlize

  25 Mar 09, 21:55

  3 more chapters to "Introduction to integration."

• Mikethm

  26 Mar 09, 01:43

  int (0, pi/4) [ ( 1 + cos^2 x)/ cos^2 x ] dx

  = int ( 0, pi/4) [ sec^2 x +1 ] dx

  = [ tan x + x] (0, pi/4)

  = 1 + pi/4