The angle of intersection of the curves $x^{2}=4 y$ and $y^{2}=4 x$ at point (0,0) is
(A) $0^{\circ}$
(B) $30^{\circ}$
(C) $45^{\circ}$
(D) $90^{\circ}$
The angle of intersection of the curves $x^{2}=4 y$ and $y^{2}=4 x$ at point (0,0) is
(A) $0^{\circ}$
(B) $30^{\circ}$
(C) $45^{\circ}$
(D) $90^{\circ}$