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Mathematics, 20.10.2020 05:01 abbz13

7. Abigail says that since the reference angle for a rotation through - 765° has measure 45°, then cos(-765°) = cos(45°), and sin(-765°) = sin(45°). Explain why she is or is not correct.
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7. Abigail says that since the reference angle for a rotation through - 765° has measure 45°, then...

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