1. Evaluate each of the following, leaving the final answer correct to 4 significant figures: a. tanh0.6439 b. sech1.385
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1. Evaluate each of the following, leaving the final answer correct to 4 significant figures: a. tanh0.6439 b. sech1.385
1. Evaluate each of the following, leaving the final answer correct to 4 significant figures: a. tanh0.6439 b. sech1.385 c. cosech0.874 [6] 2. The increase in resistance of strip conductors due to eddy currents at power frequencies is given by: at [sinhat + sinat] λ = 2 coshat-cosat Calculate λ, correct to 5 significant figures, when t = 1 and a = 1.08. [5]
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