Respuesta :

Answer:

Step-by-step explanation:

In a right triangle, 30 is the adjacent side, and x is the hypotenuse.

cosθ = adjacent / hypotenuse

Substitute the give numbers.

cos 48° = 30 / x

x = 44.8 (corr. to the nearest tenth)

gcantiga44

Answer:

x = 45 units

Step-by-step explanation:

The angle has a side adjacent to it while the hypotenuse is missing.

Sine = opposite / hypotenuse

Cosine = adjacent / hypotenuse

Tangent = opposite / adjacent

From the following functions, cosine is the suitable function to solve this problem.

cosΘ = adjacent / hypotenuse

cos(48) = 30 / x

x = 30 / cos(48)

x = 44.8 ≈ 45

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