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

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Prakhar Rathi asked May 25, 2022

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

Mathematics
college

Prakhar Rathi asked May 25, 2022

by Prakhar Rathi

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Answer:The correct answer is (A) - 3√2 - 3√2 i

TMWP answered May 27, 2022

by TMWP

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13 votes

9514 1404 393

Answer:

-4.24264 -4.24264i

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

Amin Keshavarzian answered May 30, 2022

by Amin Keshavarzian

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