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Ask iit jee aieee pet cbse icse state board community Community Discussion Question: One more question from complex numbers
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[Post New]22 Feb 2007 22:40:40 IST
    Subject: One more question from complex numbers
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konichiwa2x (2342)

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Hi,

If A,B,C represent the complex numbers respectively on the complex plane and the angles at B and C are each equal to , then prove that

How do I do this problem? please help.
Guide to latex:
http://www.goiit.com/posts/list/community-shelf-a-guide-to-latex-48056.htm

    
[Post New]22 Feb 2007 22:52:12 IST
    Subject: Re:One more question from complex numbers
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mudit_d_best (30)

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this question is very easy. simply apply the concept of  rotation ie euler formula
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[Post New]25 Feb 2007 13:33:53 IST
    Subject: Re:One more question from complex numbers
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nitinpaliwal (0)

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b=c=90-
a=
z3-z1=z2-z1eraise to the power i
z3-z1\z2-z1=cos+sin
subtracting 1 from both side we get
z3-z2\z2-z1= -2sin2\2 +2isin\2cos\2
 then solve
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