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☆算术计算1题
〖1/1算式〗
作业:求算式 (0.0034*790*sin(arctan(1.9/0.0034)))/(1.9*sin(arcsin(cos90.5*sin36.5/cos270.3)+arctan(1.9/0.0034))) 的值.
题型:数学计算
解:
(0.0034*790*sin(arctan(1.9/0.0034)))/(1.9*sin(arcsin(cos90.5*sin36.5/cos270.3)+arctan(1.9/0.0034)))
=(0.0034*790*sin(arctan558.823529))/(1.9*sin(arcsin(cos90.5*sin36.5/cos270.3)+arctan(1.9/0.0034)))
=(0.0034*790*sin1.569007)/(1.9*sin(arcsin(cos90.5*sin36.5/cos270.3)+arctan(1.9/0.0034)))
=2.685995/(1.9*sin(arcsin(cos90.5*sin36.5/cos270.3)+arctan(1.9/0.0034)))
=2.685995/(1.9*sin(arcsin0.771541+arctan(1.9/0.0034)))
=2.685995/(1.9*sin(arcsin0.771541+arctan558.823529))
=2.685995/(1.9*sin2.450267)
=2.685995/1.211362
=2.217335 答案:(0.0034*790*sin(arctan(1.9/0.0034)))/(1.9*sin(arcsin(cos90.5*sin36.5/cos270.3)+arctan(1.9/0.0034)))=2.217335 注:弧度制你的问题在这里没有得到解决?请到 热门难题 里面看看吧!