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Margaret [11]
2 years ago
10

Is cos theta=cos(-theta)

Mathematics
1 answer:
saul85 [17]2 years ago
4 0

Answer:

TRUE

Step-by-step explanation:

An even function is a function that satisfies that f(x) = f(-x). Also, we know that cosine is an even function, therefore cos(theta) equals cos(-theta).

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