Limiting Cosines of Singular Double Triple
Calculus
Level
4
\[\large \lim_{x\to 0} \frac{1- \cos(x) \sqrt{\cos(2x)} (\cos(3x))^{\frac{1}{3}}}{x^{2}}\]
Evaluate the limit above without using L'Hôpital rule.
by
Majed Musleh