COS20 iii) modulus of complex z = (sine)2 - i equal to

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A: a) x=-3-8ib) 2+5i2+2i

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Q: cos20 3 iii) modulus of complex z = (sine)?- i equal to

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Q: Let z be a complex number. Then the solution(s) of sinhz+coshz=1/e is (are) *

A: I have provided solution in step2.

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A: Explanation of the answer is as follows