trigonometry

Question: $\frac{\sqrt{1+\sin x}+\sqrt{1-\sin x}}{\sqrt{1+\sin x}-\sqrt{1-\sin x}}=$ (when $x$ lies in $2^{nd}$ quadrant)

1) $\sin \frac{x}{2}$

2) $\tan \frac{x}{2}$

3) $\sec \frac{x}{2}$

4) $\text{cosec}\frac{x}{2}$

Solution:

Explanation: No Solution

Trigonometric ratios of multiple and sub-multiple angles

Rate this question:

★ ★ ★ ★ ★

Average rating: (0 votes)