21-04-2022
Mathematics

contestada

1.
Use trigonometry to work out the value of x.
Not drawn accurately.
Help pls

1 Use trigonometry to work out the value of x Not drawn accurately Help pls class=

Respuesta :

NobodyKat NobodyKat

21-04-2022

Answer:

20cos(39) or 15.543 (3 d.p.)

Step-by-step explanation:

Use SOHCAHTOA
You want to find A and have an angle of 36° and H
So use CAH
cos(39) = x / 20
x = 20cos(39)

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