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Messages - Weina Zhu

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Term Test 1 / Re: TT1 Problem 2 (morning)
« on: October 16, 2018, 01:34:56 PM »
I am trying to go the cosh~sinh way, but cannot continue when finding the second solution, can someone help me out of this?
Thanks in advance. I tried to see classmates' post, but they gave the answer directly;D

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