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Qualification => Subject Doubts => IGCSE/ GCSE => Math => Topic started by: Q80BOY on May 11, 2009, 01:13:54 pm

Title: Math P2 May/Jun 2002 HELP !!!
Post by: Q80BOY on May 11, 2009, 01:13:54 pm
IGCSE (CIE) Mathematics Paper 2 May/June 2002

(i attached the paper)

Page 10, Question 21, Part (a)

Total number of questions: 1

Please help me guys !!  :D
Title: Re: Math P2 May/Jun 2002 HELP !!!
Post by: SoSadSoul on May 11, 2009, 01:55:34 pm
In that question u have to find the matrix that when added to A there Sum is the matrix is (0 0) so the matrix will most propably be negative. Hoped i helped
                                                                                                                           0 0
Title: Re: Math P2 May/Jun 2002 HELP !!!
Post by: Q80BOY on May 11, 2009, 04:56:19 pm
sorry for the mis-understandment guys, i attached the wrong paper by mistake ( i attched the right one)

please help me guys !!
Title: Re: Math P2 May/Jun 2002 HELP !!!
Post by: Anonymous on May 11, 2009, 06:32:15 pm
Cosine rule.
Title: Re: Math P2 May/Jun 2002 HELP !!!
Post by: godfather93 on May 11, 2009, 09:19:07 pm
you have to use the cosine rule in a scalene triangle. In this case it will be
AC2= 92 + 62 - 2*9*6*cos 95
Title: Re: Math P2 May/Jun 2002 HELP !!!
Post by: astarmathsandphysics on May 11, 2009, 09:36:26 pm
Quote from: SoSadSoul on May 11, 2009, 01:55:34 pm
In that question u have to find the matrix that when added to A there Sum is the matrix is (0 0) so the matrix will most propably be negative. Hoped i helped
                                                                                                                           0 0
Which question?
Title: Re: Math P2 May/Jun 2002 HELP !!!
Post by: godfather93 on May 11, 2009, 09:38:49 pm
question 21 part (a)