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Solve for the value of x

Solve for the value of x-example-1
User Baxx
by
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1 Answer

2 votes

Answer:

Explanation:

This is the Law of Cosines. Use the following formula:


5.1^2=3.3^2+3.3^2-2(3.3)(3.3)cos(x) and simplify to

26.01 = 10.89 + 10.89 - 21.78cos(x) and a bit more to

4.23 = -21.78cos(x) and finally to

-.194214876 = cos(x) and use the 2nd button along with the cos button to find that the missing angle is 101.2 degrees

User Dmck
by
9.0k points

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