Express the complex number in trigonometric form. - 3i

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Kylee Turner

Mathematics

30 August, 02:45

Express the complex number in trigonometric form. - 3i

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Joel Benton · Answer 1

Remember to use trig form the general equation is: r (cos (angle) + i sin (angle))

to find r, take √a^2 + b^2 to get 3 for the angle it would be undefined so thee argument would be π / 2. So your answer is 3 (cos (π/2) + i sin (π/2))