Respuesta :

sin Θ = opposite / hypotenuse
cos Θ = adjacent / hypotenuse
tan Θ = opposite / adjacent


sin x = 1/2  ⇒⇒ opposite is 1 ; hypotenuse is 2
cos x = ? / 2 ⇒ ? = √3 value of adjacent
tan x = 1 / ?

This is the 30 - 60 - 90 triangle.

sin 30 = 0.50
cos 30 = 0.866
tan 30 = 0.577

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