How do you write the trigonometric form of #-2(1+sqrt3i)#? Precalculus Complex Numbers in Trigonometric Form Trigonometric Form of Complex Numbers 1 Answer VinÃcius Ferraz Jun 11, 2017 #4(cos frac{4pi}{3} + i sin frac{4pi}{3})# Explanation: #1/2 + sqrt 3 /2 i = cos frac{pi}{3} + i sin frac{pi}{3}# Multiply by #-4# #pi/3 + pi# Answer link Related questions How do I find the trigonometric form of the complex number #-1-isqrt3#? How do I find the trigonometric form of the complex number #3i#? How do I find the trigonometric form of the complex number #3-3sqrt3 i#? How do I find the trigonometric form of the complex number #sqrt3 -i#? How do I find the trigonometric form of the complex number #3-4i#? How do I convert the polar coordinates #3(cos 210^circ +i\ sin 210^circ)# into rectangular form? What is the modulus of the complex number #z=3+3i#? What is DeMoivre's theorem? How do you find a trigonometric form of a complex number? Why do you need to find the trigonometric form of a complex number? See all questions in Trigonometric Form of Complex Numbers Impact of this question 1516 views around the world You can reuse this answer Creative Commons License