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Know Your Limits

Calculus Level 2

\[ \large \lim_{x\to2} \dfrac{\sqrt{ 1 - \cos(2(x-2))}}{x-2} = \ ? \]

\[\frac { 1 }{ \sqrt { 2 } }\] \[-\sqrt { 2 }\] \[\sqrt { 2 }\] Doesn't Exist

Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

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Our wiki is made for math and science

Master advanced concepts through explanations,
examples, and problems from the community.

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including olympiad champions, researchers, and professionals.

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View solutions

by Ram Gautam

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