Tom K. answered 12/14/20
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cot(2π/7) = tan(π/2 - 2π/7) = tan(3π/14)
Nico W.
asked 12/14/20Tom K. answered 12/14/20
Knowledgeable and Friendly Math and Statistics Tutor
cot(2π/7) = tan(π/2 - 2π/7) = tan(3π/14)
Yefim S. answered 12/14/20
Math Tutor with Experience
cot(2π/7) =tan(π/2 - 2π/7) = tan(3π/14)
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