Answer
0
Work Step by Step
$f(π)$ basically means, what is the output (y value) when the input (x value) is equal to π
Looking at the chart we see the coordinate pair (π,0)
so the corresponding value is 0
Trigonometry 7th Edition
by McKeague, Charles P.; Turner, Mark D.
Published by
Cengage Learning
ISBN 10:
1111826854
ISBN 13:
978-1-11182-685-7
Appendix A - Section A.1 - Introduction to Functions - A.1 Problem Set - Page 488: 56
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