other govt exam ISRO Assistant Mock Test 2022 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
If A = 30°, what is the value of: \(\frac{\left[8 \sin \mathrm{A}+11 \operatorname{cosec} \mathrm{A}-\cot ^{2} \mathrm{A}\right]}{10 \cos 2 \mathrm{A}}\)?
1
3\(\frac{4}{5}\)
2
4\(\frac{2}{5}\)
3
5\(\frac{1}{5}\)
4
4\(\frac{3}{5}\)