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What angles have the same inverse cosine?

Updated: 4/28/2022
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14y ago

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Given an angle A, the angle (2pi - A) has the same cosine. So do the angles that differ from these by 2k*pi radians for all integers k. If you are still working in degrees, you should substitute 180 degrees for pi radians.

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9y ago
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Q: What angles have the same inverse cosine?
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