Math Problem Statement

jika √lim x→0 adalah 4/x sin 2x - 4.cos 2x/x.tangen2x = b, maka nilai 2b adalah

Solution

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Math Problem Analysis

Mathematical Concepts

Limits
Trigonometry

Formulas

lim (x→0) sin(x)/x = 1
lim (x→0) tan(x) = x
lim (x→0) cos(x) = 1

Theorems

Standard limit theorems
Trigonometric limit properties

Suitable Grade Level

Grades 11-12