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Mathematics, 21.06.2019 19:50, Roshaan8039
Prove (a) cosh2(x) ā sinh2(x) = 1 and (b) 1 ā tanh 2(x) = sech 2(x). solution (a) cosh2(x) ā sinh2(x) = ex + eāx 2 2 ā 2 = e2x + 2 + eā2x 4 ā = 4 = . (b) we start with the identity proved in part (a): cosh2(x) ā sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 ā sinh2(x) cosh2(x) = 1 or 1 ā tanh 2(x) = .
Answers: 3
Mathematics, 22.06.2019 02:00, redbenji1687
35 ! insert < , > , or = to make the sentence true. 12 __ 25 > =
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Mathematics, 22.06.2019 02:00, joellianamikhai3123
An isosceles trapezoid with a perimeter of 42 inches. each of the congruent non parallel sides is 5 inches long, and the trapezoid is 3 inches tall. how long are the two parallel sides? a. 10 in, 22 in b. 16 in, 16 in c. 10 in, 16 in d. 12 in, 20 in
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Mathematics, 22.06.2019 03:00, jennyrr9021
Several paint mixtures are made by mixing blue paint and white paint. paint colors blue paint white paint mixture a 5 cups 12 cups mixture b 6 cups 6 cups mixture c 4 cups 12 cups mixture d 5 cups 6 cups which mixture has the highest ratio of blue paint to white paint
Answers: 3
Mathematics, 15.09.2020 03:51
Mathematics, 15.09.2020 03:51
Mathematics, 15.09.2020 03:51
Mathematics, 15.09.2020 03:51
Mathematics, 15.09.2020 03:51
Mathematics, 15.09.2020 03:51
Mathematics, 15.09.2020 03:51
Mathematics, 15.09.2020 03:51
Mathematics, 15.09.2020 03:51
Social Studies, 15.09.2020 03:51