Mathematics, 09.03.2020 01:22 jjbossgt
Verify cos(x+y)/cos(x-y) = cot(x-y)/cot(x+y)
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Mathematics, 21.06.2019 20:00, ayoismeisalex
He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean and standard deviation according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%
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Verify cos(x+y)/cos(x-y) = cot(x-y)/cot(x+y)...
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