Answer
$\csc{1.3875}\approx 1.0170$
Work Step by Step
RECALL:
$\csc{\theta} = \dfrac{1}{\sin{\theta}}$
Use a calculator in radian mode and round-off the answer to four decimal places to obtain:
$\csc{1.3875}=\dfrac{1}{\sin{1.3875}} \approx 1.0170$
