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Solution 4.4:3b
From Förberedande kurs i matematik 1
Revision as of 09:43, 1 October 2008 by Ian (Talk | contribs)
We see directly that
x=5
is a solution to the equation, and using the unit circle we can also draw the conclusion that
x=−5=54
is the only other solution between
0
and
2.
We obtain all solutions to the equation when we add integer multiples of
2,
5
