How can you solve -LSB- math -RSB- x ^ 2 + y ^ 2 - 12x - 4y = 0 ? -LSB- / math -RSB-
What is the angle of intersection of the curves -LSB- math -RSB- x ^ 2 = 4y -LSB- / math -RSB- and -LSB- math -RSB- y ^ 2 = 4x -LSB- / math -RSB- at point -LSB- math -RSB- -LRB- 0,0 -RRB- -LSB- / math -RSB- ?