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Find the value of x.
Right triangle: Hypotenuse is 11, base is x, angle is 22 degrees.

Find the value of x. Right triangle: Hypotenuse is 11, base is x, angle is 22 degrees-example-1
User Tamica
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We know that the trigonometric identity that uses the adjacent side and the hypotenuse is cosine. We can set this up as:

cos(22) = (x)/(11)

We need to solve for x, so let's isolate it:

x = 11cos(22) = 10.2

So, x = 10.2 units
User Zelphir Kaltstahl
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