En resumen

Csc (x) = 1 / sen(x) Tan (x) = sen(x) / cos (x) csc (x) × tan (x) = 1 / cos (x) = Sec (x).

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Yesica1919
2

Csc (x) = 1 / sen(x)

Tan (x) = sen(x) / cos (x)

csc (x) × tan (x) = 1 / cos (x) = Sec (x).