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Help please help please

Help please help please-example-1
User EricaJoy
by
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1 Answer

3 votes

Answer:

x = 60.4

Explanation:

First, let's remember the three different trigonometric functions: sine, cosine, and tangent. In this case, we would use cosine because the adjacent side to the angle and hypothenuse are used/given.


cos(22) = (56)/(x)

We need to set up a proportion because there is not much else you could do here.


(cos(22))/(1) =(56)/(x)

Then, cross-multiply.


cos(22) * x = 56

Finally, divide both sides by cos(22). You'll probably need your calculator and make sure it's in degrees mode and not radians!


(cos(22) * x)/(cos(22)) = (56)/(cos(22))


x = 60.4

Rounded to the nearest tenth, x = 60.4.

User Abyshukla
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7.2k points