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==equ==
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current location:Mathematical operation > History of Mathematical Computation
(8×7.55+19×0.43+14×16.47+16.2×8.28+7.5×0.17+17.9×6.03)/38.93=
395.195×(tan(45+15.079/2)*tan(45+15.079/2))+2×14.352×tan(45+15.079/2)=
(0.575×3.93+0.68×2.35+0.7×17.85+0.65×7.49+0.3×0.69+0.39×1.09+0.5×5.25)/38.65=
395.195×(tan(45-15.079/2)*tan(45-15.079/2))-2×14.352×tan(45-15.079/2)=
(8×3.93+19×2.35+14×17.85+16.2×7.49+7.6×0.69+7.5×1.09+17.9×5.25)/38.65=
(22×3.93+10.8×2.35+12.9×17.85+13.8×7.49+31×0.69+31.7×1.09+15.5×5.25)/38.65=
(22×7.55+10.8×0.43+12.9×16.47+13.8×8.28+31.7×0.17+13.8×6.03)/38.93=
17.8×7.55+19×0.43+17.8×(8.48-0.43-7.55)+(17.8-9.8)×(16.47-8.48+0.43+7.55)+(17.9-9.8)×8.28+(19.2-9.8)×0.17+(17.9-9.8)×6.03
(0.575×7.55+0.68×0.43+0.7×16.47+0.65×8.28)/32.73=
(0.575×7.55+0.68×0.43+0.7×16.47+0.65×8.28)/32.73=
348.13×(tan(45+15.2/2)*tan(45+15.2/2))+2×13.24×tan(45+15.2/2)=
348.13×(tan(45-15.2/2)*tan(45-15.2/2))-2×13.24×tan(45-15.2/2)=
(8×7.55+19×0.43+14×16.47+16.2×8.28)/32.73=
(22×7.55+10.8×0.43+12.9×16.47+13.8×8.28)/32.73=
343.74×(tan(45+14.52/2)*tan(45+14.52/2))+2×13.98×tan(45+14.52/2)=
343.74×(tan(45-14.52/2)*tan(45-14.52/2))-2×13.98×tan(45-14.52/2)=
343.74×(tan(45-14.52/2)*tan(45-14.52/2))+2×13.98×tan(45-14.52/2)=
245.02+209.5+20=
212.23+209.5+20=
395.195×(tan(45+14.85/2)*tan(45+14.85/2))+2×14.12×tan(45+14.85/2)=
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