# Pre-calculus:Trigonometric Form of a Complex Number

*label*Calculus

*timer*Asked: Jan 6th, 2018

**Question description**

Ten multiple choice questions ranging from: What is the absolute value of: 3 - 8i ?; Convert to trigonometric form: z = -9/4 + 9sqrt3/4 i;

Convert to standard form: z = 20(cos135 + i sin135)