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〖1/1算式〗
作业:求算式 (2*(sin(180*0.09))^3)/3+0.09*(1-sin(2*180*0.09)/(2*3.14*0.09))*(365/400)*(8^(1/2)) 的值.
题型:数学计算
解:
(2*(sin(180*0.09))^3)/3+0.09*(1-sin(2*180*0.09)/(2*3.14*0.09))*(365/400)*(8^(1/2))
=(2*(sin16.2)^3)/3+0.09*(1-sin(2*180*0.09)/(2*3.14*0.09))*(365/400)*(8^(1/2))
=(2*(-0.472422)^3)/3+0.09*(1-sin(2*180*0.09)/(2*3.14*0.09))*(365/400)*(8^(1/2))
=-0.210873/3+0.09*(1-sin(2*180*0.09)/(2*3.14*0.09))*(365/400)*(8^(1/2))
=-0.210873/3+0.09*(1-sin32.4/(2*3.14*0.09))*(365/400)*(8^(1/2))
=-0.210873/3+0.09*(1-sin32.4/0.5652)*(365/400)*(8^(1/2))
=-0.210873/3+0.09*(-0.473388)*(365/400)*(8^(1/2))
=-0.210873/3+0.09*(-0.473388)*0.9125*(8^(1/2))
=-0.210873/3+0.09*(-0.473388)*0.9125*(8^0.5)
=-0.210873/3+0.09*(-0.473388)*0.9125*2.82842712474619
=-0.070291+0.09*(-0.473388)*0.9125*2.82842712474619
=-0.070291+(-0.042605)*0.9125*2.82842712474619
=-0.070291+(-0.038877)*2.82842712474619
=-0.070291+(-0.109961)
=-0.180252 答案:(2*(sin(180*0.09))^3)/3+0.09*(1-sin(2*180*0.09)/(2*3.14*0.09))*(365/400)*(8^(1/2))=-0.180252 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!