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Is cos theta=cos(-theta)
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3 votes
Is cos theta=cos(-theta)

User Tania Marinova
by
7.0k points

1 Answer

5 votes

Answer:

TRUE

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).

User John Huynh
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7.4k points
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