SubArea: Sine, cosine, tangent and cotangentLevel: BProject ID: 1003076607Accepted: 1Clonable: 0Easy: 1If we reflect the graph of the function f(x)=cosx over the x-axis, we get the graph of the function:g(x)=−cosxg(x)=sinxg(x)=cosxg(x)=−sinx
