Solve for x
x=9.079809994790935
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0.45399049973954675 = \frac{x}{20}
Evaluate trigonometric functions in the problem
0.45399049973954675\times 20=x
Multiply both sides by 20.
9.079809994790935=x
Multiply 0.45399049973954675 and 20 to get 9.079809994790935.
x=9.079809994790935
Swap sides so that all variable terms are on the left hand side.
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