Answer
$0.7943$ amperes
Work Step by Step
Substitute $t=0.7$ into the equation:
$$I=5e^{-2(0.7)}\sin (0.7)=0.7943$$
Thus, the approximate current is $0.7943$ amperes.
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 6 - 6.3 - Trigonometric Functions of Any Angle - 6.3 Exercises - Page 455: 109
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