\(\int \frac{\sec x}{\sqrt{\cos 2 x}} d x=\)
A. tan-1 (tan x) + c
B. sin-1 (tan x) + c
C. tan-1 (sin x) + c
D. 2 sin-1 (tan x) + c
Answer:B
\(\int \frac{\sec x}{\sqrt{\cos 2 x}} d x=\)
A. tan-1 (tan x) + c B. sin-1 (tan x) + c C. tan-1 (sin x) + c D. 2 sin-1 (tan x) + c