Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 6 - Section 6.2 - Trigonometry of Right Triangles - 6.2 Exercises - Page 487: 13

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
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