In the xy-plane, O is the center of the circle, and the measure of POQ is a.

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In the xy-plane, O is the center of the circle, and the measure of ∠POQ is a°.What is the cosine of (a + 180)°?

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Question Posted: Jul 31, 2023 07:08 AM

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In the xy-plane, O is the center of the circle, and the measure of POQ is a.

Question:

P(-1.√√3) O AY Q X

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