Answer
a) .79864
b) 1.34563
Work Step by Step
a) just type in cos(37) into your calculator to get you answer
b) since csc(x) is $\frac{1}{sin(x)}$, type in$ \frac{1}{sin(48)}$ into your calculator to get your answer.
REMEMBER YOUR CALCULATOR MUST BE IN DEGREE MODE FOR THIS PROBLEM