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3 years ago

Which trigonometric functions are equivalent to cos ∅. There must be only 2 selections no more no less !

Mathematics

1 answer:

oksian1 [2.3K]3 years ago

5 0

Answer:

cos(theta+2π) and -cos(-theta)

Step-by-step explanation:

theta plus 2π have the same cosine output as theta on a graph.

the negative cosine of negative theta is equal to the positive cosine of positive theta.

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