Precalculus: Mathematics for Calculus, 7th Edition

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

Chapter 5 - Review - Exercises - Page 463: 9

Answer

a) sin(1.1) = .89121 b) cos(1.1) = .45360

Work Step by Step

a. Since sin(1.1) is not a value on the unit circle of trigonometric values, you will have to use the calculator for this. Plug in sin(1.1) into your calculator to get .89121. b. Since cos(1.1) is not a value on the unit circle of trigonometric values, you will have to use the calculator for this. Plug in cos(1.1) into your calculator to get .453560.
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