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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