Teaching Bihar STET Paper 1 (माध्यमिक) Mock Test 2024 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
\(\sqrt{\frac{\operatorname{cosec} A+1}{\operatorname{cosecA}-1}}+\sqrt{\frac{\operatorname{cosec} A-1}{\operatorname{cosec} A+1}} ?\) విలువ ఎంత?
1
2 cos A
2
secA
3
cos A
4
2 sec A