- #1
physics=world
- 110
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1. (sin4x + cos4x)
(sin4x + cos4x)
= (sin4(-x) + cos4(-x))
= -sin4x + cos4x
im thinking it is an even function
Homework Equations
The Attempt at a Solution
(sin4x + cos4x)
= (sin4(-x) + cos4(-x))
= -sin4x + cos4x
im thinking it is an even function