Calculus: Early Transcendentals (2nd Edition)

Published by Pearson
ISBN 10: 0321947347
ISBN 13: 978-0-32194-734-5

Chapter 1 - Functions - 1.4 Trigonometric Functions and Their Inverse - 1.4 Exercises - Page 48: 16

Answer

$\sqrt 3/2$

Work Step by Step

Let's glance at our unit circle. A quick glance tells us the answer is $\sqrt 3/2$ Let's check with the calculator. Change the mode to radian, press (SIN) then (2), (π), (÷), (3). You'll have your answer of 0.86603 or $\sqrt 3/2$.
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