Solve for b
b=169.2659418054572658
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0.9563047559630354 = \frac{b}{177}
Evaluate trigonometric functions in the problem
0.9563047559630354\times 177=b
Multiply both sides by 177.
169.2659418054572658=b
Multiply 0.9563047559630354 and 177 to get 169.2659418054572658.
b=169.2659418054572658
Swap sides so that all variable terms are on the left hand side.
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