08:47How to convert complex numbers from standard rectangular to polar trigonometric form precalculus premaths gotserved354views
Multiple ChoiceConvert the complex number z=12(cos90°+i・sin90°)z=12\left(\cos90\degree+i・\sin90\degree\right)z=12(cos90°+i・sin90°) from polar to rectangular form.52views
Multiple ChoiceConvert the complex number z=2(cos7π4+i・sin7π4)z=\sqrt2\left(\cos\frac{7\pi}{4}+i・\sin\frac{7\pi}{4}\right)z=2(cos47π+i・sin47π) from polar to rectangular form.55views
Textbook QuestionIn Exercises 1–10, plot each complex number and find its absolute value. z = 4i2views
Textbook QuestionIn Exercises 1–10, plot each complex number and find its absolute value. z = 3 + 2i2views
Textbook QuestionIn Exercises 1–10, plot each complex number and find its absolute value. z = −3 + 4i1views
Textbook QuestionIn Exercises 11–26, plot each complex number. Then write the complex number in polar form. You may express the argument in degrees or radians. 2 + 2i2views
Textbook QuestionIn Exercises 11–26, plot each complex number. Then write the complex number in polar form. You may express the argument in degrees or radians. −4i2views
Textbook QuestionIn Exercises 11–26, plot each complex number. Then write the complex number in polar form. You may express the argument in degrees or radians. −31views
Textbook QuestionIn Exercises 11–26, plot each complex number. Then write the complex number in polar form. You may express the argument in degrees or radians. −3 + 4i1views
Textbook QuestionIn Exercises 27–36, write each complex number in rectangular form. If necessary, round to the nearest tenth. 6(cos 30° + i sin 30°)1views
Textbook QuestionIn Exercises 27–36, write each complex number in rectangular form. If necessary, round to the nearest tenth. 8(cos 7π/4 + i sin 7π/4)1views
Textbook QuestionIn Exercises 27–36, write each complex number in rectangular form. If necessary, round to the nearest tenth. 20(cos 205° + i sin 205°)2views
Textbook QuestionIn Exercises 77–80, convert to polar form and then perform the indicated operations. Express answers in polar and rectangular form. _ _ (1 + i√3)(1 − i) / 2√3 − 2i1views
Textbook QuestionIn Exercises 11–14, plot each complex number. Then write the complex number in polar form. You may express the argument in degrees or radians. 1 − i4views
Textbook QuestionIn Exercises 15–18, write each complex number in rectangular form. If necessary, round to the nearest tenth. 8(cos 60° + i sin 60°)2views
Textbook QuestionIn Exercises 15–18, write each complex number in rectangular form. If necessary, round to the nearest tenth. 6 (cos 2π/3 + i sin 2π/3)1views