railway RRB Technician Grade 3 Mock Test 2024 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
If \(\rm sinA=-\frac{3}{5}\), A lies in III quadrant, the value of sec A is:
1
\(-\frac{4}{5}\)
2
\(-\frac{5}{4}\)
3
\(-\frac{3}{4}\)
4
\(\frac{3}{4}\)