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4 \cdot 0.10452846326765346 = -2 ^ {2} / 4
Evaluate trigonometric functions in the problem
16\times 0.10452846326765346=-2^{2}
Multiply both sides of the equation by 4.
1.67245541228245536=-2^{2}
Multiply 16 and 0.10452846326765346 to get 1.67245541228245536.
1.67245541228245536=-4
Calculate 2 to the power of 2 and get 4.
\text{false}
Compare 1.67245541228245536 and -4.
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