3 years ago

Find the cube roots of 125(cos 288° + i sin 288°).

Mathematics

1 answer:

Nesterboy [21]3 years ago

8 0

5 and -5 cube roots, cube roots are just what to the power of three is X

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shepuryov [24]

Answer:

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Step-by-step explanation:

Let ∠B = x

∠A = 3x

∠C = x + 30

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x + 3x + x + 30 = 180 {Combine like terms}

5x + 30 = 180

5x = 180 - 30

5x = 150

x = 130/5

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