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Mathematics, 02.01.2020 11:31 tra80
What angles could we find sine and cosine for using information for π/4 and π/6?
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Aboat has a speed of 9 mph in calm water. it takes the boat 4 hours to travel upstream but only 2 hours to travel the same distance downstream. which equation can be used to find c, the speed of the current? 2(9 – c) = 4(9 + c) 9 + c = 4(9 – c) 9 – c = 2(9 + c) 4(9 – c) = 2(9 + c)
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What angles could we find sine and cosine for using information for π/4 and π/6?...
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