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Mathematics, 21.06.2019 17:00
Which expression is equivalent to the expression shown?
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Mathematics, 21.06.2019 19:50
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) = .
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Mathematics, 21.06.2019 23:30
Without multiplying, tell which product is larger and why. 5 Ć 1/3 or 5 Ć 2/3 a)5 Ć 1/3 because 1/3 is less than 2/3 b) 5 Ć 1/3 because 1/3 is greater than 2/3 c) 5 Ć 2/3 because 1/3 is less than 23 d) 5 Ć 23 because 1/3 is greater than 2/3
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Mathematics, 22.06.2019 00:00
The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.
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