1962 IMO Problems/Problem 4: Difference between revisions
New page: ==Problem== Solve the equation <math>cos^2{x}+cos^2{2x}+cos^2{3x}=1</math>. ==Solution== {{solution}} ==See Also== {{IMO box|year=1962|num-b=3|num-a=5}} |
Brut3Forc3 (talk | contribs) m Prettified the cosines (\cos, not cos |
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==Problem== | ==Problem== | ||
Solve the equation <math>cos^2{x}+cos^2{2x}+cos^2{3x}=1</math>. | Solve the equation <math>\cos^2{x}+\cos^2{2x}+\cos^2{3x}=1</math>. | ||
==Solution== | ==Solution== | ||
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