1962 IMO Problems/Problem 4

Revision as of 01:43, 8 February 2009 by Brut3Forc3 (talk | contribs) (Prettified the cosines (\cos, not cos)

Problem

Solve the equation $\cos^2{x}+\cos^2{2x}+\cos^2{3x}=1$.

Solution

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See Also

1962 IMO (Problems) • Resources
Preceded by
Problem 3
1 2 3 4 5 6 Followed by
Problem 5
All IMO Problems and Solutions
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