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31-03-2021
Mathematics

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What is the rectangular form of 6(cos(2250)+ i sin(2250)?

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sqdancefan sqdancefan

01-04-2021

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Answer:

-4.24264 -4.24264i

Step-by-step explanation:

Evaluate the sine and cosine terms and multiply.

6(cos(225°) +i·sin(225°)) = 6(-√2/2 -i·√2/2)

= -3√2 -i·3√2 ≈ -4.24264 -4.24264i

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