How to LEARN TRIGONOMETRY RATIO's cos value from 0 to 90 (degrees)







                                        

 for cos of an angle

                       COMING SOON   for  cos0

Comments

  1. manoj singh30 July 2012 at 23:41

    The values of Sin,cos is found out by a very simple procedure.Like
    distribute rupees to all angles from 0 degree to 90 degree.Then divide them by 4 and take a root of it.You will get 0,1/2,1/root 2,root 3/2 and 1.z-score table

    ReplyDelete
  2. maths4all30 July 2012 at 23:54

    u are right manoj... the above technique, student always use this by just seeing his/her hand any tym ... god bless u :)

    ReplyDelete

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