Sudarshan posted an Question
April 06, 2020 • 18:02 pm 30 points
  • IIT JAM
  • Physics (PH)

Complex function

complex function, shortcut method to solve quickly thank you

2 Answer(s) Answer Now
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    Abhishek singh best-answer

    Option C is correct one. I have attached the easiest proof. Thank you.

    cropped4413036615324787362.jpg
  • comment-profile-img>
    Ruby negi Best Answer

    use the formula sin(A+B)=SinAcosB+ sinBcosA and use properties of hyperbolic trigonometric functions i.e sin(iA)=i sinhA and cos(iA)=coshA

    cropped2074338148.jpg
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