$$60^{-1}\frac{12}{13}=\sin^{-1}\frac{5}{13}$$
$\text{false}$
$$60 ^ {-1} \frac{12}{13} = 0.006712754400356021 ^ {-1}$$
$$\frac{1}{60}\times \frac{12}{13}=0.006712754400356021^{-1}$$
$$\frac{1}{65}=0.006712754400356021^{-1}$$
$$\frac{1}{65}=\frac{1000000000000000000}{6712754400356021}$$
$$\frac{6712754400356021}{436329036023141365}=\frac{65000000000000000000}{436329036023141365}$$
$$\text{false}$$
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