Trigonometry (10th Edition)

Published by Pearson
ISBN 10: 0321671775
ISBN 13: 978-0-32167-177-6

Chapter 1 - Trigonometric Functions - Section 1.3 Trigonometric Functions - 1.3 Exercises: 84

Answer

3

Work Step by Step

1.First lets find the values of the trig functions of the given angles. $\sec0^{\circ}=1$ $\cot90^{\circ}=0$ $\cos360^{\circ}=1$ 2. Then just plug those values into expression: $2(1)+4(0) ^{2} +(1) =3$
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