Please may I have clear explanation how o work these

#1.

\fConvert the Cartesian coordinate (6,1) to polar coordinates, 0 0 Enter exact value. A =\fa. r = Cos 40 b. r = cos(30 C. T = COS (50 d. r = sin(60) e. T = COS (60a X a a a\fa. T = 3 cos (30) b. r = 1+ 2 sin(0) C. T= 3 sin d. r = 3 cos(20) e. r = 1 + 2 cos(0)\f-3 -7 -4 -3 -2 -3 -4 4 - -2 -1 2 -4 -3 -2 -7 -1 -2