Teaching UP B.Ed (Paper 1 & 2) Mock Test 2025 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
যদি \(\rm \sec A=\frac{17}{15}\) হয়, তাহলে cot A-এর মান কত?
1
\(\frac{15}{21}\)
2
\(\frac{15}{7}\)
3
\(\frac{8}{15}\)
4
\(\frac{15}{8}\)