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    Work: Calculate the value of equation 3.54*189.8*√cos15*√37.255078 .
    Question type: Mathematical calculation
    Solution:
          3.54*189.8*√cos15*√37.255078
        =3.54*189.8*√-0.759688*√37.255078
        =3.54*189.8*-nan*√37.255078
        =3.54*189.8*-nan*6.103694
        =671.892*-*6.103694
        =0*6.103694
        =0
    Answer:3.54*189.8*√cos15*√37.255078=0
    Note: Radian

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