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Precalculus

Course: Precalculus > Unit 3

Lesson 5: Modulus (absolute value) and argument (angle) of complex numbers
Math
Precalculus
Complex numbers
Modulus (absolute value) and argument (angle) of complex numbers
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Complex numbers from absolute value & angle

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Problem

A complex number z1 has a magnitude |z1|=13 and an angle θ1=315∘.
Express z1 in rectangular form, as z1=a+bi.
Express a+bi in exact terms.
z1=
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