3. Prove that: tan-1z +z %3D

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 26E
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i+z
In
= Z.
3. Prove that: tan-1z
Transcribed Image Text:i+z In = Z. 3. Prove that: tan-1z
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