Math Chapter Wise question with answer

Q01 Which of the following is the imaginary part of a possible value of ln () i? English · Bihar (TRE 1.0) -2023 Q02 The principal value of ()() –2i/π –1 is English · Bihar (TRE 1.0) -2023 Q03 If tan (θ + i φ) = cos α + i sin α, then the value of θ is English · UPPSC GIC 2021 Q04 If cos(x+iy) = cosα + isinα, then the value of (cosh2y + cos2x) is? English · LT 2018 Q05 What will be the Real part of the principal value of 2–i? English · PGT 2013 Q06 The value of -1 sinh 3 is: English · TGT 2011