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0.9396926207859084 = 1 - \frac{2 * (81) + 25}{81}
Evaluate trigonometric functions in the problem
76.1151022836585804=81-\left(2\times 81+25\right)
Multiply both sides of the equation by 81.
76.1151022836585804=81-\left(162+25\right)
Multiply 2 and 81 to get 162.
76.1151022836585804=81-187
Add 162 and 25 to get 187.
76.1151022836585804=-106
Subtract 187 from 81 to get -106.
\text{false}
Compare 76.1151022836585804 and -106.
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