Find the equation of the tangent line to the curve at the point V2 2 4 given x - cos(5 y) = 0. -21/2 a) Oy= V2 x+ 5 2 + b) Oy= - V2 2 5 x+ 2 + 512 c) Oy= 2 x + 2 + d) Oy= V2 /2 5 x + + 2 e) Oy = 5V2 V2 2 * + 2 +