Solve for x_0
x_{0}=0
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15 + x 0.8746197071393957 = 15
Evaluate trigonometric functions in the problem
x_{0}\times 0.8746197071393957=15-15
Subtract 15 from both sides.
x_{0}\times 0.8746197071393957=0
Subtract 15 from 15 to get 0.
x_{0}=0
Product of two numbers is equal to 0 if at least one of them is 0. Since 0.8746197071393957 is not equal to 0, x_{0} must be equal to 0.
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