How do you write the complex number in standard form #2(cos150+isin150)#? Precalculus Complex Numbers in Trigonometric Form Trigonometric Form of Complex Numbers 1 Answer Shwetank Mauria Oct 28, 2016 #2(cos150^o +isin150^o)=-sqrt3+i# Explanation: #2(cos150^o +isin150^o)# = #2(-cos30^o +isin30^o)# = #2(-sqrt3/2+ixx1/2)# = #-sqrt3+i# 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 5692 views around the world You can reuse this answer Creative Commons License