Answer
a) 1.02630
b) 1.23490
Work Step by Step
a) since sec(x) is $\frac{1}{cos(x)}$ , plug in $\frac{1}{cos(13)}$ into your calculator to find the answer
b) just plug in tan(51) into calculator, no conversions needed like above
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.