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B.Math 2008-Equations

Source: 10+2

April 16, 2012
quadraticstrigonometryalgebra proposedalgebra

Problem Statement

Let a2+b2=1a^2+b^2=1 , c2+d2=1c^2+d^2=1 , ac+bd=0ac+bd=0
Prove that
a2+c2=1a^2+c^2=1 , b2+d2=1b^2+d^2=1 , ab+cd=0ab+cd=0 .
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