AP

MATHEMATICS · Single correct · AP · Calculus AB · Limits and Continuity · Limits and Continuity

Problem

Determine lim⁡x→01+tan⁡2x−1x2\displaystyle\lim_{x\to 0}\frac{\sqrt{1+\tan^{2}x}-1}{x^{2}}. (a) 1 (b) 0 (c) \dfrac{1}{2} (d) \text{The limit does not exist}

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