An Equation of the Tangent Plane to the Surface $y = e ^ { x } \cos z$

Multiple Choice

An equation of the tangent plane to the surface $y = e ^ { x } \cos z$ at (1, e, 0) is

A) $y = - e x + z$
B) $y = e x - z$
C) $y = e x + z$
D) $y = - e x$
E) $y = e x$