MCQ
જો $\tan x = \frac{b}{a},$ તો $\sqrt {\frac{{a + b}}{{a - b}}} + \sqrt {\frac{{a - b}}{{a + b}}} = $
- A$\frac{{2\sin x}}{{\sqrt {\sin 2x} }}$
- ✓$\frac{{2\cos x}}{{\sqrt {\cos 2x} }}$
- C$\frac{{2\cos x}}{{\sqrt {\sin 2x} }}$
- D$\frac{{2\sin x}}{{\sqrt {\cos 2x} }}$