In the Previous Problem, the Exact Solution of the Initial $y = \tan x$

Multiple Choice

In the previous problem, the exact solution of the initial value problem is

A) $y = \tan x$
B) $y = \sec x$
C) $y = \left( e ^ { - 2 x } - 1 \right) / \left( e ^ { - 2 x } + 1 \right)$
D) $y = - \left( e ^ { - 2 x } + 1 \right) / \left( e ^ { - 2 x } - 1 \right)$
E) $y = - \left( e ^ { 2 x } - 1 \right) / \left( e ^ { 2 x } + 1 \right)$