Question

90°-43°27′45〃 已知∠α=32.68°，∠β=18°41′55″，求∠α与∠β的差

Answer 1

90°-43°27′45〃
=46°32'15''

∠α-∠β
=32.68°-18°41′55″
=32°40.8'-18°41′55″
=32°40'48''-18°41′55″
=31°99'108''-18°41′55″
=13°58‘53’‘

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Answer 2

∠α=32.68°=32°0.68*60'=32°40.8'=32°40'0.8*60"=.32°40'48* ∠α-∠β=32°40'48*-18°41′55"=13°58′53"

Answer 3

α=32.68°，∠β=18°41′5