Podoblast: Sinus, kosinus, tangens a kotangensČást: CProject ID: 2000004201Accepted: 0Clonable: 0Easy: 1Zjednodušte výraz \(\frac{2\sin x + \sin 2x}{2\sin x -\sin 2x}\) v intervalu \( (0;\pi)\).\(\frac{1+\cos x}{1-\cos x}\)\(\frac{1-\cos x}{1+\cos x}\)\( 1+\cos x\)\( 1-\cos x\)
