AP

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

Problem

Evaluate

\displaystyle\lim_{x\to 0}\frac{\sec^{2}x-1}{x^{2}}

. (a)

0

(b)

\dfrac{1}{2}

(c)

1

(d)

2

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