Solve for x
x=1.6781992623545598
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0.8390996311772799 = \frac{x}{2}
Evaluate trigonometric functions in the problem
0.8390996311772799\times 2=x
Multiply both sides by 2.
1.6781992623545598=x
Multiply 0.8390996311772799 and 2 to get 1.6781992623545598.
x=1.6781992623545598
Swap sides so that all variable terms are on the left hand side.
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Matrix
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