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〖sin〗^(-1) [〖ln [sech⁡〖(5<30°)+cos⁡j5 〗 ]〗⁡〖+cos⁡〖(3-j5)〗 〗/tan⁡[ln⁡csc⁡(2-j6) ] ]

 Jul 13, 2020
 #1
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I am confused by the question.

what does 5<30degrees mean ?

does j signify imaginary units?  (I assume it does) 

 Jul 13, 2020

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