Question

find the value of
lim x->0 {(1-cos4x)/(1-cos6x)}

Answer 1

\[\frac{\sin^22x}{\sin^23x} =\Large\left(\frac{\frac{2x}{2x}\sin2x}{\frac{3x}{3x}\sin3x}\right)^2 \]
4/9

Answer 2

gt it tnx, I needed to chek the answers