SubArea: Sine, cosine, tangent and cotangentLevel: BProject ID: 2010016403Source Problem: 1103076612Accepted: 0Clonable: 1Easy: 1Identify the function shown in the graph.\( f(x) = \cos 2x\)\( f(x) = -\cos 2x\)\( f(x) = \sin 2x\)\( f(x) = -\sin 2x\)
