Help I don’t know how to do this but I’m just need help
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Mathematics, 25.02.2021 01:00 brandyrushing3
Help I don’t know how to do this but I’m just need help
Answers: 3
Mathematics, 21.06.2019 19:50, Roshaan8039
Prove (a) cosh2(x) − sinh2(x) = 1 and (b) 1 − tanh 2(x) = sech 2(x). solution (a) cosh2(x) − sinh2(x) = ex + e−x 2 2 − 2 = e2x + 2 + e−2x 4 − = 4 = . (b) we start with the identity proved in part (a): cosh2(x) − sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 − sinh2(x) cosh2(x) = 1 or 1 − tanh 2(x) = .
Answers: 3
Mathematics, 22.06.2019 04:20, rakanmadi87
If the class creates a histogram of the data in table, how many students are in the range 12cm to 13.9 cm
Answers: 1