Mathematics, 02.04.2021 01:20 jayleneeeee
2 Given the equation for cos(a+b) determine what the cos(2a)=? Hint think of a way to represent 2a by adding.
Answers: 2
Mathematics, 22.06.2019 03:00, jess6142
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)
Answers: 3
Mathematics, 22.06.2019 04:00, SRTBANDIT6045
If y varies as x, and y=8 as x=4 what will be the value of y if x=2
Answers: 2
2 Given the equation for cos(a+b) determine what the cos(2a)=? Hint think of a way to represent 2a b...
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