Consider the line integral∫c(sinxdx+ cosy dy), wherecconsists of the top part ofthe circlex2+y2= 1 from (1,0) to (−1,0), followed by the line segment from (−1,0) to (2,−π).evaluate this line integral in two ways: (a) by parametrizingcand computing the integral in the form∫baf(r(t))·r′(t)dt.