Evaluate
-\frac{10000000000000000}{6420926159343301}\approx -1.557407725
Factor
-\frac{10000000000000000}{6420926159343301} = -1\frac{3579073840656699}{6420926159343301} = -1.5574077246549036
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-0.6420926159343301 ^ {-1}
Evaluate trigonometric functions in the problem
-\frac{10000000000000000}{6420926159343301}
Calculate 0.6420926159343301 to the power of -1 and get \frac{10000000000000000}{6420926159343301}.
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