Answer
$OU = 1.624$
Work Step by Step
$\frac{OS}{OU} = cos ~52^{\circ}$
$OU = \frac{OS}{cos ~52^{\circ}}$
$OU = \frac{1}{cos ~52^{\circ}}$
$OU = 1.624$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.