Mathematics, 02.04.2020 20:02 kellywelly82
Can someone help me with my math?
Answers: 1
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
Can someone help me with my math?
...
...
English, 14.12.2021 17:20
Computers and Technology, 14.12.2021 17:20
Law, 14.12.2021 17:20
Mathematics, 14.12.2021 17:20
English, 14.12.2021 17:20
English, 14.12.2021 17:20