Mathematics, 16.02.2020 00:26 182075
The point (-2, -1) lies on a circle. What is the length of the radius of this circle if the center is located at (0, 4)?
Answers: 1
Mathematics, 21.06.2019 15:00
1. are the triangles similar and if so why? what is the value of x? show your work.
Answers: 1
Mathematics, 21.06.2019 19:50
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
The point (-2, -1) lies on a circle. What is the length of the radius of this circle if the center i...
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