本人在求sin1度的表达式时得出一个等式,经过几天的化简后得到一个长串的式子,但苦于化简太繁杂而容易出错,有没有谁能化简的啊,感激不尽,sin1度=(3^0.5*i)/(8*((4*5^0.5-10*3^0.5-2*15^0.5+20)^0.5/64 -(6^0.5+2^0.5)*(5^0.5-1)/128 +(-8-3^0.5-15^0.5-(10-20^0.5)^0.5)^0.5/32)^(1/3)) - ((4*5^0.5-10*3^0.5-2*15^0.5+20)^0.5/64-(6^0.5+2^0.5)*(5^0.5-1)/128 +(-8-3^0.5-15^0.5-(10-20^0.5)^0.5)^0.5/32)^(1/3)/2 - 1/(8*((4*5^0.5-10*3^0.5-2*15^0.5+20)^0.5/64-(6^0.5+2^0.5)*(5^0.5-1)/128 +(-8-3^0.5-15^0.5-(10-20^0.5)^0.5)^0.5/32)^(1/3)) - (3^0.5*((4*5^0.5-10*3^0.5-2*15^0.5+20)^0.5/64-(6^0.5+2^0.5)*(5^0.5-1)/128 +(-8-3^0.5-15^0.5-(10-20^0.5)^0.5)^0.5/32)^(1/3)*i)/2。
专业表达形式为:
(1/4)*2^(1/2)*(-((2*(7 + 5^(1/2) + (30 + 6*5^(1/2))^(1/2))^(1/2) + (2* I)*(9 - 5^(1/2) - (30 + 6*5^(1/2))^(1/2))^(1/2))^(1/3) - 2)^2/(2*(7 + 5^(1/2) + (30 + 6*5^(1/2))^(1/2))^(1/2) + (2* I)*(9 - 5^(1/2) - (30 + 6*5^(1/2))^(1/2))^(1/2))^(1/3))^(1/ 2)
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