How do you write the trigonometric form into a complex number in standard form 3(cos(18^o 45')+isin(18^o 45')?

Jul 8, 2018

color(purple)("Complex number is " 2.8408 + 0.9643 i

Explanation:

Trigonometric form to complex form.

$x = r \cos \theta = 3 \cdot \cos \left({18}^{\circ} 45 '\right) = 2.8408$

$y = r \sin \theta = 3 \cdot \sin \left({18}^{\circ} 45 '\right) = 0.9643$

color(purple)("Complex number is " 2.8408 + 0.9643 i