Multiple Choice Questions on Express the given equation in polar form is sin45 deg i cos45 deg ........ for NDA Exam Preparation

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Multiple Choice Questions

Express the given equation in polar form is sin45 deg i cos45 deg ........

Mathematics (NDA) Complex Numbers
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    Express the given equation in polar form is (sin45° +i cos45°)? 

    1 

    Incorrect Answer

    cos45° + isin45° 

    Correct Answer

    cos30° + i sin30° 

    Incorrect Answer

    None of these 

    Incorrect Answer
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    Explanation:

     ( sin45° + i cos45°) = { sin(90°-45°) + i cos(90°-45°)} 

    = cos45° + i sin45° 

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