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10 students each submit one essay for competition. In how many wa...
Mathematics, 06.10.2021 19:00, LilFreaky666
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10 students each submit one essay for competition. In how many ways can the first, second, and third prizes be awarded?
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Answers: 1
Mathematics, 21.06.2019 22:00, jladinosolarsee
If tan2a=cot(a+60), find the value of a, where 2a is an acute angle
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