求cos18°24′ 等于多少

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求cos18°24′等于多少求cos18°24′等于多少求cos18°24′等于多少cos18°24′=cos18.4°=0.9489

求cos18°24′ 等于多少
求cos18°24′ 等于多少

求cos18°24′ 等于多少
cos18°24′
=cos18.4°
=0.9489