A Maths: How to integrate

• weewee

  18 Jul 08, 12:24

  How to integrate cotangent^2 x with respect to x.

  Thanks in advance.

• eagle

  18 Jul 08, 13:32

  integrate cot^2 x   dx

  = integrate cosec^2 x  -  1  dx

  = -cot x - x + c

   

  because differentiate cot x gives you - cosec^2 x