— Lemma

Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §2.6 Limits, #11 · Calculus · Limits

Find the limits if they exist. An $ε - δ$ test is not required.

$lim_{h \to 0} \frac{s i n ^{2} h c o s h ^{2} h}{h ^{2}}$

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §2.6 Limits, #11

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Checked against the answer in Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001).