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Mathematics, 21.06.2019 17:00, tonytashaqua
In triangle opq right angled at p op=7cm, oq-pq=1 determine the values of sinq and cosq
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Mathematics, 21.06.2019 18:00, lclaudettecarte3550
Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2
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Mathematics, 21.06.2019 19:50, Roshaan8039
Prove (a) cosh2(x) β sinh2(x) = 1 and (b) 1 β tanh 2(x) = sech 2(x). solution (a) cosh2(x) β sinh2(x) = ex + eβx 2 2 β 2 = e2x + 2 + eβ2x 4 β = 4 = . (b) we start with the identity proved in part (a): cosh2(x) β sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 β sinh2(x) cosh2(x) = 1 or 1 β tanh 2(x) = .
Answers: 3
Mathematics, 09.04.2021 23:30
Mathematics, 09.04.2021 23:30
Mathematics, 09.04.2021 23:30
Mathematics, 09.04.2021 23:30