To find : whether the function is even, odd, or neither using the graph of the function

Answer to Problem 63E
The function
Explanation of Solution
Given information:
Concept Involved:
A function is called an even function if for every input x ,
A function is called an odd function if for every input x ,
Graph:
Interpretation:
The graph of a function
Calculation:
Substitute − x for x in the function to find
Rewrite the function using the trigonometric identify
Multiplying in right side of the equation
From 1st equation, we see that
Chapter 4 Solutions
EBK PRECALCULUS W/LIMITS
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