SubArea: Sine, cosine, tangent and cotangentLevel: CProject ID: 1103076610Accepted: 1Clonable: 0Easy: 1The figure shows the graph of the function:\( f(x)=\cos(-2x) \)\( f(x)=-\cos 2x \)\( f(x)=|\cos 2x| \)\( f(x)=-|\cos 2x| \)
