SubArea: Limits and continuityLevel: BProject ID: 1003021102Accepted: 1Clonable: 0Easy: 1Evaluate the following limit. \[ \lim_{x\to\frac{\pi}4}\frac{1+\sin2x}{1-\cos4x} \]\( 1 \)\( 0 \)\( 2 \)\( \frac12 \)