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〖1/1算式〗
作业:求算式 -0.59825*sqrt(0.75)*2.4*e^(-0.59825*0.5)*cos(0.59825*sqrt(0.75)) 的值.
题型:数学计算
解:
-0.59825*sqrt(0.75)*2.4*e^(-0.59825*0.5)*cos(0.59825*sqrt(0.75))
=-0.59825*sqrt0.75*2.4*e^(-0.59825*0.5)*cos(0.59825*sqrt(0.75))
=-0.59825*sqrt0.75*2.4*e^(-0.299125)*cos(0.59825*sqrt(0.75))
=-0.59825*sqrt0.75*2.4*e^-0.299125*cos(0.59825*sqrt0.75)
=-0.59825*sqrt0.75*2.4*e^-0.299125*cos0.518099
=-0.59825*0.866025*2.4*e^-0.299125*cos0.518099
=-0.59825*0.866025*2.4*2.718282^-0.299125*cos0.518099
=-0.59825*0.866025*2.4*2.718282^-0.299125*0.868762
=-0.59825*0.866025*2.4*0.741466706305579*0.868762
=-0.518099*2.4*0.741466706305579*0.868762
=(-1.243438)*0.741466706305579*0.868762
=(-0.921968)*0.868762
=(-0.800971) 答案:-0.59825*sqrt(0.75)*2.4*e^(-0.59825*0.5)*cos(0.59825*sqrt(0.75))=-0.800971 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!