Use a graphing utility to write the complex number in standard form. 1. 5 (cos /

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Use a graphing utility to write the complex number in standard form.
1. 5 (cos π / 9 + i sin π / 9)
2.10 (cos 2π / 5 + i sin 2π / 5)
3. 2(cos 155o + i sin 155o)
4. 9 (cos 58o + i sin 58o)
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