PN 11.
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Areale swing eactangular parking is shown. The width of the parting it is shorter than the length. The width of the actual parking lot is 48 feet
What scale is used to representer on the scale drawing Round your answer to the nearest foot

ANSWER FAST FIR BRAINLIEST

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) = .