Solve for x
x=8.134732861516003
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0.40673664307580015 = \frac{x}{20}
Evaluate trigonometric functions in the problem
0.40673664307580015\times 20=x
Multiply both sides by 20.
8.134732861516003=x
Multiply 0.40673664307580015 and 20 to get 8.134732861516003.
x=8.134732861516003
Swap sides so that all variable terms are on the left hand side.
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