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Omni-MATH / Does there exist an angle α∈(0,π/2) such that sinα, cosα, tanα and cotalpha, taken in some order, are consecutive terms of an arithmetic progression? · Discussion

Discussing Does there exist an angle α∈(0,π/2) such that sinα, cosα, tanα and cotalpha, taken in some order, are consecutive terms of an arithmetic progression? · Omni-MATH

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