Question

$$\sin ( \cos ^ { - 1 } \frac { 4 } { 5 } + \cos ^ { - 1 } \frac { 12 } { 13 } )$$

Evaluate

$0.9092028225849198$

Factor

$\frac{3 \cdot 4659211 \cdot 6637447 \cdot 7 ^ {2}}{2 ^ {15} \cdot 5 ^ {16}} = 0.9092028225849198$