Mathematics, 21.10.2019 20:00 jjgurl60

Doug 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 he is or is not correct.

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More questions: Mathematics Another questions

Doug 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 he is or is not correct.

Answers

Another question on Mathematics

Doug 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 he is or is not correct.