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Vijay Singh chauhan Asked a Question
February 20, 2021 12:28 pmpts 30 pts
please send the solution to the problem given in the attachment.
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  • Satpal singh thankyou
    refer this video for this type of questions. https://youtu.be/EwsAq2zqyew
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  • Satpal singh thankyou
    see this attacjment
    • cropped3678631939121127249.jpg
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  • Piyush
    That step is straight forward.
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  • Piyush
    Any doubt then you can ask
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  • Piyush Best Answer
    e^i2x = cos2x + isin2x , So they have taken imaginary part.
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