using the sum and product of roots of the quadratic equation , prove that
sec[(pie/4)+e] and sec[(pie/4)-e] are the roots of the equation
cos[2e]乘x^2-2開方2乘x+2=0
thx
sum and product
2011-06-14 6:57 am
回答 (1)
2011-06-14 8:58 am
收錄日期: 2021-04-13 18:01:51
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