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Sagot :
Answer:
x=13.9
Step-by-step explanation:
To find x we need an angle other than the right angle to use a trigonometric function. To do this we could either use Sine = Opposite/Hypotenuse or Cosine = Adjacent/Hypotenuse.
In this case i'll be using sine.
To find the angle that is above the right angle we need to use the inverse of Sine. Set up the equation
[tex] \sin^{ - 1} = \frac{22}{26} [/tex]
The answer to this is about 57.8. So now we have an angle to use to solve for x.
So now we set up the proportion
[tex] \frac{ \cos(57.8) }{1} = \frac{x}{26} [/tex]
Cross multiply.
x = 26×cos(57.8)
Put this in a calculator and x is about 13.9
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