Integrate : $ \int \large\frac{a \sin x +b}{\cos^2 x }$$ dx$

Question

\[\begin {array} {1 1} (a)\;a \tan x + b \sec x +c \\ (b)\;a \sec ^2 x + b tan ^2 x +c \\ (c)\;a \sec x +b \tan x +c \\ (d)\;(a+b) \tan ^2 x +c \end {array}\]