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☆算术计算1题
〖1/1算式〗
作业:求算式 (0.5*(e^(1.6977)-e^(-1.6977))+sin(1.6977))*(0.5*(e^(1.6977)+e^(-1.6977)-cos(1.6977)))*0.5 的值.
题型:数学计算
解:
(0.5*(e^(1.6977)-e^(-1.6977))+sin(1.6977))*(0.5*(e^(1.6977)+e^(-1.6977)-cos(1.6977)))*0.5
=(0.5*(e^1.6977-e^(-1.6977))+sin(1.6977))*(0.5*(e^(1.6977)+e^(-1.6977)-cos(1.6977)))*0.5
=(0.5*(e^1.6977-e^(-1.6977))+sin(1.6977))*(0.5*(e^(1.6977)+e^(-1.6977)-cos(1.6977)))*0.5
=(0.5*5.278268+sin(1.6977))*(0.5*(e^(1.6977)+e^(-1.6977)-cos(1.6977)))*0.5
=(0.5*5.278268+sin1.6977)*(0.5*(e^(1.6977)+e^(-1.6977)-cos(1.6977)))*0.5
=3.631093*(0.5*(e^(1.6977)+e^(-1.6977)-cos(1.6977)))*0.5
=3.631093*(0.5*(e^1.6977+e^(-1.6977)-cos(1.6977)))*0.5
=3.631093*(0.5*(e^1.6977+e^(-1.6977)-cos(1.6977)))*0.5
=3.631093*(0.5*(e^1.6977+e^-1.6977-cos1.6977))*0.5
=3.631093*(0.5*5.77104)*0.5
=3.631093*2.88552*0.5
=10.477591*0.5
=5.238796 答案:(0.5*(e^(1.6977)-e^(-1.6977))+sin(1.6977))*(0.5*(e^(1.6977)+e^(-1.6977)-cos(1.6977)))*0.5=5.238796 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!