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Chapter 4 of 46

The Squeeze Theorem

When a function is too wild to touch directly, trap it between two functions you can — and settle what sin(x)/x does at 0.

Free10–14 min

By the end

Each chapter closes with capabilities, not topics. Watch for these.

01Apply the squeeze theorem with justified bounds
02Establish lim_{x→0} sin(x)/x = 1
03Reconcile graphical, numerical, and algebraic accounts of one limit