pinkcomes1st
pinkcomes1st pinkcomes1st
  • 09-04-2021
  • Mathematics
contestada

find the length of the side x in simplest form with a rational denominator.
i need help understanding these type of questions pls​

find the length of the side x in simplest form with a rational denominatori need help understanding these type of questions pls class=

Respuesta :

akposevictor
akposevictor akposevictor
  • 14-04-2021

Answer:

x = 2√3

Step-by-step explanation:

Reference angle = 30°

Hypotenuse = 4

Adjacent = x

Apply trigonometric function, CAH:

Cos 30 = Adj/Hyp

Cos 30 = x/4

4 × Cos 30 = x

4 × √3/2 = x (cos 30 = √3/2)

2√3 = x

x = 2√3

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